Robert Elliott Johnston - Publications

Affiliations: 
Cornell University, Ithaca, NY, United States 
Area:
Behavioral Neuroendocrinology
Website:
http://people.psych.cornell.edu/~rej1/index.html

100 high-probability publications. We are testing a new system for linking publications to authors. You can help! If you notice any inaccuracies, please sign in and mark papers as correct or incorrect matches. If you identify any major omissions or other inaccuracies in the publication list, please let us know.

Year Citation  Score
2015 Fernández-Vargas M, Johnston RE. Ultrasonic vocalizations in golden hamsters (Mesocricetus auratus) reveal modest sex differences and nonlinear signals of sexual motivation. Plos One. 10: e0116789. PMID 25714096 DOI: 10.1371/journal.pone.0116789  1
2014 Place NJ, Vernon DM, Johnston RE. Reduced mate preference for dominant over subordinate males in old female Syrian hamsters (Mesocricetus auratus). Behavioural Processes. 108: 166-72. PMID 25444774 DOI: 10.1016/j.beproc.2014.11.002  1
2013 Delbarco-Trillo J, Johnston RE. Interactions with heterospecific males do not affect how female Mesocricetus hamsters respond to conspecific males. Animal Behaviour. 86: 151-156. PMID 23439800 DOI: 10.1016/j.anbehav.2012.10.019  1
2012 delBarco-Trillo J, Johnston RE. Asymmetric learning to avoid heterospecific males in Mesocricetus hamsters. Zoology (Jena, Germany). 115: 270-4. PMID 22658324 DOI: 10.1016/j.zool.2012.01.002  1
2011 Delbarco-Trillo J, Johnston RE. Adult female hamsters require long and sustained exposures to heterospecific males to avoid interspecific mating. Evolutionary Ecology. 25: 391-401. PMID 21572573 DOI: 10.1007/s10682-010-9429-7  1
2011 delBarco-Trillo J, Johnston RE. Avoidance of interspecific mating in female Syrian hamsters is stronger toward familiar than toward unfamiliar heterospecific males. Learning & Behavior. 39: 239-44. PMID 21347669 DOI: 10.3758/s13420-011-0024-8  1
2011 delBarco-Trillo J, McPhee ME, Johnston RE. Syrian hamster males below an age threshold do not elicit aggression from unfamiliar adult males. Aggressive Behavior. 37: 91-7. PMID 20954254 DOI: 10.1002/ab.20368  1
2011 Larimer SC, Fritzsche P, Song Z, Johnston J, Neumann K, Gattermann R, McPhee ME, Johnston RE. Foraging behavior of golden hamsters (Mesocricetus auratus) in the wild Journal of Ethology. 29: 275-283. DOI: 10.1007/s10164-010-0255-8  1
2011 Delbarco-Trillo J, Johnston RE. Effect of losing a fight on later agonistic behavior toward unfamiliar conspecifics in male Syrian hamsters Current Zoology. 57: 449-452.  1
2010 Delbarco-Trillo J, McPhee ME, Johnston RE. Adult female hamsters avoid interspecific mating after exposure to heterospecific males. Behavioral Ecology and Sociobiology. 64: 1247-1253. PMID 20676390 DOI: 10.1007/s00265-010-0939-7  1
2010 delBarco-Trillo J, Johnston RE. Fluoxetine does not prevent interspecific mating between two hamster species. Physiology & Behavior. 99: 684-6. PMID 20149811 DOI: 10.1016/j.physbeh.2010.02.003  1
2010 McPhee ME, Segal A, Johnston RE. Hamsters use predator odors as indirect cues of predation risk Ethology. 116: 517-523. DOI: 10.1111/j.1439-0310.2010.01766.x  1
2010 Johnston RE, DelBarco-Trillo J. Communication by chemical signals: Behavior, social recognition, hormones and the role of the vomeronasal and olfactory systems Hormones, Brain and Behavior Online. 395-441. DOI: 10.1016/B978-008088783-8.00011-5  1
2009 Delbarco-Trillo J, McPhee ME, Johnston RE. Non-agonistic familiarity decreases aggression in male Turkish hamsters, Mesocricetus brandti. Animal Behaviour. 77: 389-393. PMID 20126280 DOI: 10.1016/j.anbehav.2008.10.012  1
2009 delBarco-Trillo J, Gulewicz K, Johnston RE. Medial amygdala involvement in discrimination of same-species and closely-related-species male stimuli in estrous female Mesocricetus hamsters. Behavioral Neuroscience. 123: 758-63. PMID 19634933 DOI: 10.1037/a0016439  1
2009 delBarco-Trillo J, LaVenture AB, Johnston RE. Male hamsters discriminate estrous state from vaginal secretions and individuals from flank marks. Behavioural Processes. 82: 18-24. PMID 19615611 DOI: 10.1016/j.beproc.2009.03.003  1
2009 DelBarco-Trillo J, Gulewicz K, Segal A, McPhee ME, Johnston RE. Can captivity lead to inter-species mating in two Mesocricetus hamster species? Journal of Zoology. 278: 308-312. DOI: 10.1111/j.1469-7998.2009.00577.x  1
2009 McPhee ME, Ribbeck AE, Johnston RE. Male golden hamsters (Mesocricetus auratus) are more reactive than females to a visual predator cue Journal of Ethology. 27: 137-141. DOI: 10.1007/s10164-008-0099-7  1
2008 Johnston RE, Peng A. Memory for individuals: hamsters (Mesocricetus auratus) require contact to develop multicomponent representations (concepts) of others. Journal of Comparative Psychology (Washington, D.C. : 1983). 122: 121-31. PMID 18489228 DOI: 10.1037/0735-7036.122.2.121  1
2008 Gattermann R, Johnston RE, Yigit N, Fritzsche P, Larimer S, Ozkurt S, Neumann K, Song Z, Colak E, Johnston J, McPhee ME. Golden hamsters are nocturnal in captivity but diurnal in nature. Biology Letters. 4: 253-5. PMID 18397863 DOI: 10.1098/rsbl.2008.0066  1
2008 Johnston RE. Chapter 9 Individual Odors and Social Communication. Individual Recognition, Kin Recognition, and Scent Over-Marking Advances in the Study of Behavior. 38: 439-505. DOI: 10.1016/S0065-3454(08)00009-0  1
2007 Bath KG, Johnston RE. Dominant-subordinate relationships in hamsters: sex differences in reactions to familiar opponents. Hormones and Behavior. 51: 258-64. PMID 17184782 DOI: 10.1016/j.yhbeh.2006.10.009  1
2005 Lai WS, Ramiro LL, Yu HA, Johnston RE. Recognition of familiar individuals in golden hamsters: a new method and functional neuroanatomy. The Journal of Neuroscience : the Official Journal of the Society For Neuroscience. 25: 11239-47. PMID 16339019 DOI: 10.1523/JNEUROSCI.2124-05.2005  1
2005 Johnston RE. Eavesdropping and scent over-marking Animal Communication Networks. 344-371. DOI: 10.1017/CBO9780511610363.020  1
2004 Mayeaux DJ, Johnston RE. Discrimination of social odors and their locations: role of lateral entorhinal area. Physiology & Behavior. 82: 653-62. PMID 15327913 DOI: 10.1016/j.physbeh.2004.06.002  1
2004 Lai WS, Chen A, Johnston RE. Patterns of neural activation associated with exposure to odors from a familiar winner in male golden hamsters. Hormones and Behavior. 46: 319-29. PMID 15325232 DOI: 10.1016/j.yhbeh.2004.06.007  1
2004 Petrulis A, Weidner M, Johnston RE. Recognition of competitors by male golden hamsters. Physiology & Behavior. 81: 629-38. PMID 15178156 DOI: 10.1016/j.physbeh.2004.03.001  1
2003 Mateo JM, Johnston RE. Kin recognition by self-referent phenotype matching: weighing the evidence. Animal Cognition. 6: 73-6. PMID 12658537 DOI: 10.1007/s10071-003-0165-z  1
2003 Johnston RE. Chemical communication in rodents: From pheromones to individual recognition Journal of Mammalogy. 84: 1141-1162. DOI: 10.1644/BLe-010  1
2002 Lai WS, Johnston RE. Individual recognition after fighting by golden hamsters: a new method. Physiology & Behavior. 76: 225-39. PMID 12044595 DOI: 10.1016/S0031-9384(02)00721-7  1
2002 Mayeaux DJ, Johnston RE. Discrimination of individual odours by hamsters (Mesocricetus auratus) varies with the location of those odours Animal Behaviour. 64: 269-281. DOI: 10.1006/anbe.2002.3053  1
2001 Cohen AB, Johnston RE, Kwon A. How golden hamsters (Mesocricetus auratus) discriminate top from bottom flank scents in over-marks. Journal of Comparative Psychology (Washington, D.C. : 1983). 115: 241-7. PMID 11594493 DOI: 10.1037//0735-7036.115.3.241  1
2001 Vasilieva NY, Lai SC, Petrova EV, Johnston RE. Development of species preferences in two hamsters, Phodopus campbelli and Phodopus sungorus: Effects of cross-fostering Ethology. 107: 217-236. DOI: 10.1046/j.1439-0310.2001.00642.x  1
2001 Johnston RE, Bullock TA. Individual recognition by use of odours in golden hamsters: The nature of individual representations Animal Behaviour. 61: 545-557. DOI: 10.1006/anbe.2000.1637  1
2001 Heth G, Todrank J, Mateo J, Johnston R, Hauber ME, Sherman PW. Self referencing in hamsters [1] (multiple letters) Trends in Ecology and Evolution. 16: 74-75.  1
2000 Johnston RE, Peng M. The vomeronasal organ is involved in discrimination of individual odors by males but not by females in golden hamsters. Physiology & Behavior. 70: 537-49. PMID 11111009 DOI: 10.1016/S0031-9384(00)00304-8  1
2000 Mateo JM, Johnston RE. Kin recognition and the 'armpit effect': evidence of self-referent phenotype matching. Proceedings. Biological Sciences / the Royal Society. 267: 695-700. PMID 10821615 DOI: 10.1098/rspb.2000.1058  1
2000 Petrulis A, Peng M, Johnston RE. The role of the hippocampal system in social odor discrimination and scent-marking in female golden hamsters (Mesocricetus auratus). Behavioral Neuroscience. 114: 184-95. PMID 10718273 DOI: 10.1037//0735-7044.114.1.184  1
2000 Mateo JM, Johnston RE. Retention of social recognition after hibernation in Belding's ground squirrels. Animal Behaviour. 59: 491-499. PMID 10715170 DOI: 10.1006/anbe.1999.1363  1
1999 Heth G, Todrank J, Johnston RE. Similarity in the qualities of individual odors among kin and species in Turkish (Mesocricetus brandti) and golden (Mesocricetus auratus) hamsters. Journal of Comparative Psychology (Washington, D.C. : 1983). 113: 321-6. PMID 10497798  1
1999 Petrulis A, Johnston RE. Lesions centered on the medial amygdala impair scent-marking and sex-odor recognition but spare discrimination of individual odors in female golden hamsters. Behavioral Neuroscience. 113: 345-57. PMID 10357459 DOI: 10.1037/0735-7044.113.2.345  1
1999 Petrulis A, Peng M, Johnston RE. Effects of vomeronasal organ removal on individual odor discrimination, sex-odor preference, and scent marking by female hamsters. Physiology & Behavior. 66: 73-83. PMID 10222476 DOI: 10.1016/S0031-9384(98)00259-5  1
1999 Todrank J, Heth G, Johnston RE. Social interaction is necessary for discrimination between and memory for odours of close relatives in golden hamsters Ethology. 105: 771-782. DOI: 10.1046/j.1439-0310.1999.00455.x  1
1999 Ferkin MH, Dunsavage J, Johnston RE. What kind of information do meadow voles (Microtus pennsylvanicus) use to distinguish between the top and bottom scent of an over-mark? Journal of Comparative Psychology. 113: X43-51.  1
1998 Johnston RE. Pheromones, the vomeronasal system, and communication. From hormonal responses to individual recognition. Annals of the New York Academy of Sciences. 855: 333-48. PMID 9929626  1
1998 Heth G, Todrank J, Johnston RE. Kin recognition in golden hamsters: evidence for phenotype matching. Animal Behaviour. 56: 409-417. PMID 9787032 DOI: 10.1006/anbe.1998.0747  1
1998 Johnston RE, Bhorade A. Perception of scent over-marks by golden hamsters (Mesocricetus auratus): novel mechanisms for determining which individual's mark is on top. Journal of Comparative Psychology (Washington, D.C. : 1983). 112: 230-43. PMID 9770313  1
1998 Petrulis A, DeSouza I, Schiller M, Johnston RE. Role of frontal cortex in social odor discrimination and scent-marking in female golden hamsters (Mesocricetus auratus). Behavioral Neuroscience. 112: 199-212. PMID 9517828 DOI: 10.1037/0735-7044.112.1.199  1
1997 Johnston RE, Sorokin ES, Ferkin MH. Female voles discriminate males' over-marks and prefer top-scent males Animal Behaviour. 54: 679-90. PMID 9299051 DOI: 10.1006/anbe.1997.0471  1
1997 Ferkin MH, Sorokin ES, Johnston RE. Effect of prolactin on the attractiveness of male odors to females in meadow voles: independent and additive effects with testosterone. Hormones and Behavior. 31: 55-63. PMID 9109599 DOI: 10.1006/hbeh.1997.1362  1
1997 Petrulis A, Johnston RE. Causes of scent marking in female golden hamsters (Mesocricetus auratus): specific signals or classes of information? Journal of Comparative Psychology (Washington, D.C. : 1983). 111: 25-36. PMID 9090136  1
1997 Ferkin MH, Sorokin ES, Johnston RE, Lee CJ. Attractiveness of scents varies with protein content of the diet in meadow voles Animal Behaviour. 53: 133-141. DOI: 10.1006/anbe.1996.0284  1
1997 Johnston RE, Sorokin ES, Ferkin MH. Scent counter-marking by male meadow voles: Females prefer the top-scent male Ethology. 103: 443-453.  1
1996 Lai SC, Vasilieva NYu, Johnston RE. Odors providing sexual information in Djungarian hamsters: evidence for an across-odor code. Hormones and Behavior. 30: 26-36. PMID 8724176 DOI: 10.1006/hbeh.1996.0005  1
1996 Innes KE, Johnston RE. Cooperative breeding in the white-throated magpie-jay. How do auxiliaries influence nesting success? Animal Behaviour. 51: 519-533.  1
1996 Ferkin MH, Sorokin ES, Johnston RE. Self-grooming as a sexually dimorphic communicative behaviour in meadow voles, Microtus pennsylvanicus Animal Behaviour. 51: 801-810.  1
1995 Petrulis A, Johnston RE. A reevaluation of dimethyl disulfide as a sex attractant in golden hamsters. Physiology & Behavior. 57: 779-84. PMID 7777617 DOI: 10.1016/0031-9384(94)00332-7  1
1995 Wilcox RM, Johnston RE. Scent counter-marks: specialized mechanisms of perception and response to individual odors in golden hamsters (Mesocricetus auratus). Journal of Comparative Psychology (Washington, D.C. : 1983). 109: 349-56. PMID 7497694  1
1995 Johnston RE, Munver R, Tung C. Scent counter marks: selective memory for the top scent by golden hamsters Animal Behaviour. 49: 1435-1442. DOI: 10.1016/0003-3472(95)90064-0  1
1995 Ferkin MH, Johnston RE. Meadow voles, Microtus pennsylvanicus, use multiple sources of scent for sex recognition Animal Behaviour. 49: 37-44. DOI: 10.1016/0003-3472(95)80151-0  1
1995 Ferkin MH, Johnston RE. Effects of pregnancy, lactation and postpartum oestrus on odour signals and the attraction to odours in female meadow voles, Microtus pennsylvanicus Animal Behaviour. 49: 1211-1217. DOI: 10.1006/anbe.1995.0153  1
1995 Ferkin MH, Sorokin ES, Johnston RE. Seasonal changes in scents and responses to them in meadow voles: evidence for the co-evolution of signals and response mechanisms Ethology. 100: 89-98.  1
1994 Ferkin MH, Sorokin ES, Renfroe MW, Johnston RE. Attractiveness of male odors to females varies directly with plasma testosterone concentration in meadow voles. Physiology & Behavior. 55: 347-53. PMID 8153177 DOI: 10.1016/0031-9384(94)90145-7  1
1994 Pfeiffer CA, Johnston RE. Hormonal and behavioral responses of male hamsters to females and female odors: roles of olfaction, the vomeronasal system, and sexual experience. Physiology & Behavior. 55: 129-38. PMID 8140156 DOI: 10.1016/0031-9384(94)90020-5  1
1994 Johnston RE, Chiang G, Tung C. The information in scent over-marks of golden hamsters Animal Behaviour. 48: 323-330. DOI: 10.1006/anbe.1994.1245  1
1994 Johnston RE, Jernigan P. Golden hamsters recognize individuals, not just individual scents Animal Behaviour. 48: 129-136. DOI: 10.1006/anbe.1994.1219  1
1994 Lai SC, Johnston RE. Individual odors in Djungarian hamsters (Phodopus campbelli) Ethology. 96: 117-126.  1
1993 Johnston RE. Memory for individual scent in hamsters (Mesocricetus auratus) as assessed by habituation methods. Journal of Comparative Psychology (Washington, D.C. : 1983). 107: 201-7. PMID 8370274  1
1993 Reasner DS, Johnston RE, DeVoogd TJ. Alteration of the bed nucleus of the stria terminalis (BNST) in young female Djungarian hamsters (Phodopus campbelli) exposed to adult males. Behavioral and Neural Biology. 60: 251-8. PMID 8297321 DOI: 10.1016/0163-1047(93)90485-Z  1
1993 Ferkin MH, Johnston RE. Roles of gonadal hormones in control of five sexually attractive odors of meadow voles (Microtus pennsylvanicus). Hormones and Behavior. 27: 523-38. PMID 8294120 DOI: 10.1006/hbeh.1993.1038  1
1993 Johnston RE, Derzie A, Chiang G, Jernigan P, Lee HC. Individual scent signatures in golden hamsters: Evidence for specialization of function Animal Behaviour. 45: 1061-1070. DOI: 10.1006/anbe.1993.1132  1
1992 Pfeiffer CA, Johnston RE. Socially stimulated androgen surges in male hamsters: the roles of vaginal secretions, behavioral interactions, and housing conditions. Hormones and Behavior. 26: 283-93. PMID 1612570 DOI: 10.1016/0018-506X(92)90048-Z  1
1992 Johnston RE. Vomeronasal and/or olfactory mediation of ultrasonic calling and scent marking by female golden hamsters. Physiology & Behavior. 51: 437-48. PMID 1523219 DOI: 10.1016/0031-9384(92)90163-V  1
1992 Gudermuth DF, Butler WR, Johnston RE. Social influences on reproductive development and fertility in female Djungarian hamsters (Phodopus campbelli). Hormones and Behavior. 26: 308-29. PMID 1398551 DOI: 10.1016/0018-506X(92)90002-D  1
1990 Johnston RE, Mueller UG. Olfactory but not vomeronasal mediation of scent marking by male golden hamsters. Physiology & Behavior. 48: 701-6. PMID 2082370 DOI: 10.1016/0031-9384(90)90214-O  1
1988 Reasner DS, Johnston RE. Acceleration of reproductive development in female Djungarian hamsters by adult males. Physiology & Behavior. 43: 57-64. PMID 3413251 DOI: 10.1016/0031-9384(88)90098-4  1
1987 Reasner DS, Johnston RE. Scent marking by male dwarf hamsters (Phodopus sungorus campbelli) in response to conspecific odors. Behavioral and Neural Biology. 48: 43-8. PMID 3632551 DOI: 10.1016/S0163-1047(87)90559-0  1
1986 Levin RN, Johnston RE. Social mediation of puberty: an adaptive female strategy? Behavioral and Neural Biology. 46: 308-24. PMID 3814041 DOI: 10.1016/S0163-1047(86)90254-2  1
1986 Johnston RE. Effects of female odors on the sexual behavior of male hamsters. Behavioral and Neural Biology. 46: 168-88. PMID 3767830 DOI: 10.1016/S0163-1047(86)90654-0  1
1986 Rissman EF, Johnston RE. Nutritional and social cues influence the onset of puberty in California voles. Physiology & Behavior. 36: 343-7. PMID 3515374 DOI: 10.1016/0031-9384(86)90027-2  1
1985 Rissman EF, Johnston RE. Female reproductive development is not activated by male California voles exposed to family cues. Biology of Reproduction. 32: 352-60. PMID 3886027 DOI: 10.1095/BIOLREPROD32.2.352  1
1984 Johnston RE, Kwan M. Vaginal scent marking: effects on ultrasonic calling and attraction of male golden hamsters. Behavioral and Neural Biology. 42: 158-68. PMID 6543115 DOI: 10.1016/S0163-1047(84)91007-0  1
1984 Johnston RE, Rasmussen K. Individual recognition of female hamsters by males: role of chemical cues and of the olfactory and vomeronasal systems. Physiology & Behavior. 33: 95-104. PMID 6505058 DOI: 10.1016/0031-9384(84)90019-2  1
1984 Rissman EF, Sheffield SD, Kretzmann MB, Fortune JE, Johnston RE. Chemical cues from families delay puberty in male California voles. Biology of Reproduction. 31: 324-31. PMID 6383487 DOI: 10.1095/BIOLREPROD31.2.324  1
1982 Johnston RE, Bronson F. Endocrine control of female mouse odors that elicit luteinizing hormone surges and attraction in males. Biology of Reproduction. 27: 1174-80. PMID 7159661  1
1982 Johnston RE, Brenner D. Species-specificity of scent marking in hamsters Behavioral and Neural Biology. 35: 46-55. DOI: 10.1016/S0163-1047(82)91266-3  1
1981 Johnston RE. Attraction to odors in hamsters: an evaluation of methods. Journal of Comparative and Physiological Psychology. 95: 951-60. PMID 7320282 DOI: 10.1037/h0077840  1
1981 Johnston RE. Testosterone dependence of scent marking by male hamsters (Mesocricetus auratus). Behavioral and Neural Biology. 31: 96-9. PMID 7305811 DOI: 10.1016/S0163-1047(81)91146-8  1
1981 Frank DH, Johnston RE. Determinants of scent marking and ultrasonic calling by female Turkish hamsters, Mesocricetus brandti Behavioral and Neural Biology. 33: 514-518. DOI: 10.1016/S0163-1047(81)91941-5  1
1980 Kwan M, Johnston RE. The role of vaginal secretion in hamster sexual behavior: males' responses to normal and vaginectomized females and their odors. Journal of Comparative and Physiological Psychology. 94: 905-13. PMID 7430472 DOI: 10.1037/h0077814  1
1980 Johnston RE. Responses of male hamsters to odors of females in different reproductive states Journal of Comparative and Physiological Psychology. 94: 894-904. DOI: 10.1037/h0077812  1
1979 Johnston RE, Schmidt T. Responses of hamsters to scent marks of different ages. Behavioral and Neural Biology. 26: 64-75. PMID 573114 DOI: 10.1016/S0163-1047(79)92881-4  1
1979 Johnston RE. Olfactory preferences, scent marking, and "proceptivity" in female hamsters. Hormones and Behavior. 13: 21-39. PMID 521019 DOI: 10.1016/0018-506X(79)90032-1  1
1979 Johnston RE, Coplin B. Development of responses to vaginal secretion and other substances in golden hamsters. Behavioral and Neural Biology. 25: 473-89. PMID 464985 DOI: 10.1016/S0163-1047(79)90242-5  1
1978 Johnston RE, Zahorik DM, Immler K, Zakon H. Alterations of male sexual behavior by learned aversions to hamster vaginal secretion. Journal of Comparative and Physiological Psychology. 92: 85-93. PMID 564360 DOI: 10.1037/h0077428  1
1977 Johnston RE. The causation of two scent-marking behaviour patterns in female hamsters (Mesocricetus auratus). Animal Behaviour. 25: 317-27. PMID 560812 DOI: 10.1016/0003-3472(77)90007-0  1
1976 Zahorik DM, Johnston RE. Taste aversions to food flavors and vaginal secretion in golden hamsters. Journal of Comparative and Physiological Psychology. 90: 57-66. PMID 987071 DOI: 10.1037/h0077255  1
1976 Johnston RE, Lee NA. Persistence of the odor deposited by two functionally distinct scent marking behaviors of golden hamsters. Behavioral Biology. 16: 199-210. PMID 944036 DOI: 10.1016/S0091-6773(76)91310-9  1
1976 Johnston RE. The role of dark chest patches and upright postures in the agonistic behavior of male hamsters, Mesocricetus auratus Behavioral Biology. 17: 161-176. DOI: 10.1016/S0091-6773(76)90410-7  1
1975 Johnston RE, Zahorik DM. Taste aversions to sexual attractants. Science (New York, N.Y.). 189: 893-4. PMID 1154027  1
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