Ryuta Koyama - Publications

Affiliations: 
Tokyo University, Minato-ku, Tōkyō-to, Japan 

85 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
2020 Andoh M, Ikegaya Y, Koyama R. Microglia modulate the structure and function of the hippocampus after early-life seizures. Journal of Pharmacological Sciences. 144: 212-217. PMID 33070840 DOI: 10.1016/j.jphs.2020.09.003  1
2020 Araki T, Ikegaya Y, Koyama R. The effects of microglia- and astrocyte-derived factors on neurogenesis in health and disease. The European Journal of Neuroscience. PMID 32920880 DOI: 10.1111/ejn.14969  1
2020 Ogaki A, Araki T, Ishikawa M, Ikegaya Y, Koyama R. A live imaging-friendly slice culture method using collagen membranes. Neuropsychopharmacology Reports. PMID 32757372 DOI: 10.1002/npr2.12128  1
2020 Andoh M, Ikegaya Y, Koyama R. Microglia in animal models of autism spectrum disorders. Progress in Molecular Biology and Translational Science. 173: 239-273. PMID 32711812 DOI: 10.1016/bs.pmbts.2020.04.012  1
2020 Andoh M, Koyama R. Exercise, microglia, and beyond - workout to communicate with microglia. Neural Regeneration Research. 15: 2029-2030. PMID 32394951 DOI: 10.4103/1673-5374.282241  0.68
2020 Ogaki A, Ikegaya Y, Koyama R. Vascular Abnormalities and the Role of Vascular Endothelial Growth Factor in the Epileptic Brain. Frontiers in Pharmacology. 11: 20. PMID 32116699 DOI: 10.3389/fphar.2020.00020  1
2019 Andoh M, Ikegaya Y, Koyama R. Synaptic Pruning by Microglia in Epilepsy. Journal of Clinical Medicine. 8. PMID 31818018 DOI: 10.3390/jcm8122170  1
2019 Araki T, Ikegaya Y, Koyama R. Microglia attenuate the kainic acid-induced death of hippocampal neurons in slice cultures. Neuropsychopharmacology Reports. PMID 31794154 DOI: 10.1002/npr2.12086  1
2019 Andoh M, Ikegaya Y, Koyama R. Microglia as possible therapeutic targets for autism spectrum disorders. Progress in Molecular Biology and Translational Science. 167: 223-245. PMID 31601405 DOI: 10.1016/bs.pmbts.2019.06.012  1
2019 Kono R, Kim GL, Nagata H, Ikegaya Y, Koyama R. Induced neuronal activity does not attenuate amyloid beta-induced synaptic loss in vitro. Neuropsychopharmacology Reports. PMID 31376224 DOI: 10.1002/npr2.12074  1
2019 Andoh M, Shibata K, Okamoto K, Onodera J, Morishita K, Miura Y, Ikegaya Y, Koyama R. Exercise Reverses Behavioral and Synaptic Abnormalities after Maternal Inflammation. Cell Reports. 27: 2817-2825.e5. PMID 31167129 DOI: 10.1016/j.celrep.2019.05.015  1
2019 Orita K, Sawada K, Koyama R, Ikegaya Y. Deep learning-based quality control of cultured human-induced pluripotent stem cell-derived cardiomyocytes. Journal of Pharmacological Sciences. PMID 31113731 DOI: 10.1016/j.jphs.2019.04.008  1
2019 Kasahara Y, Igata H, Sasaki T, Ikegaya Y, Koyama R. The Pharmacological Assessment of GABA Receptor Activation in Experimental Febrile Seizures in Mice. Eneuro. 6. PMID 31058209 DOI: 10.1523/ENEURO.0429-18.2019  1
2019 Zhou Z, Ikegaya Y, Koyama R. The Astrocytic cAMP Pathway in Health and Disease. International Journal of Molecular Sciences. 20. PMID 30759771 DOI: 10.3390/ijms20030779  1
2018 Koyama R, Ikegaya Y. The Molecular and Cellular Mechanisms of Axon Guidance in Mossy Fiber Sprouting. Frontiers in Neurology. 9: 382. PMID 29896153 DOI: 10.3389/fneur.2018.00382  1
2018 Hoshi Y, Okabe K, Shibasaki K, Funatsu T, Matsuki N, Ikegaya Y, Koyama R. Ischemic brain injury leads to brain edema via hyperthermia-induced TRPV4 activation. The Journal of Neuroscience : the Official Journal of the Society For Neuroscience. PMID 29793978 DOI: 10.1523/JNEUROSCI.2888-17.2018  1
2018 Kasahara Y, Ikegaya Y, Koyama R. Neonatal Seizure Models to Study Epileptogenesis. Frontiers in Pharmacology. 9: 385. PMID 29720941 DOI: 10.3389/fphar.2018.00385  1
2018 Hiragi T, Ikegaya Y, Koyama R. Microglia after Seizures and in Epilepsy. Cells. 7. PMID 29597334 DOI: 10.3390/cells7040026  1
2017 Kasahara Y, Ikegaya Y, Koyama R. [Mouse model of febrile seizures]. Nihon Yakurigaku Zasshi. Folia Pharmacologica Japonica. 150: 240-245. PMID 29118287 DOI: 10.1254/fpj.150.240  1
2017 Hiragi T, Andoh M, Araki T, Shirakawa T, Ono T, Koyama R, Ikegaya Y. Differentiation of Human Induced Pluripotent Stem Cell (hiPSC)-Derived Neurons in Mouse Hippocampal Slice Cultures. Frontiers in Cellular Neuroscience. 11: 143. PMID 28567004 DOI: 10.3389/fncel.2017.00143  1
2016 Luo C, Ikegaya Y, Koyama R. Microglia and neurogenesis in the epileptic dentate gyrus. Neurogenesis (Austin, Tex.). 3: e1235525. PMID 27928548 DOI: 10.1080/23262133.2016.1235525  1
2016 Mikami Y, Kanemaru K, Okubo Y, Nakaune T, Suzuki J, Shibata K, Sugiyama H, Koyama R, Murayama T, Ito A, Yamazawa T, Ikegaya Y, Sakurai T, Saito N, Kakizawa S, et al. Nitric Oxide-induced Activation of the Type 1 Ryanodine Receptor Is Critical for Epileptic Seizure-induced Neuronal Cell Death. Ebiomedicine. PMID 27544065 DOI: 10.1016/j.ebiom.2016.08.020  1
2016 Andoh M, Ikegaya Y, Koyama R. Autism spectrum disorders and epilepsy. Nihon Yakurigaku Zasshi. Folia Pharmacologica Japonica. 148: 121-2. PMID 27478051 DOI: 10.1254/fpj.148.121  1
2016 Luo C, Koyama R, Ikegaya Y. Microglia engulf viable newborn cells in the epileptic dentate gyrus. Glia. PMID 27301702 DOI: 10.1002/glia.23018  1
2016 Ohki M, Sugiyama K, Kawai F, Tanaka H, Nihei Y, Unzai S, Takebe M, Matsunaga S, Adachi SI, Shibayama N, Zhou Z, Koyama R, Ikegaya Y, Takahashi T, Tame JR, et al. Structural insight into photoactivation of an adenylate cyclase from a photosynthetic cyanobacterium. Proceedings of the National Academy of Sciences of the United States of America. PMID 27247413 DOI: 10.1073/pnas.1517520113  1
2016 Kasahara Y, Koyama R, Ikegaya Y. Depth and time-dependent heterogeneity of microglia in mouse hippocampal slice cultures. Neuroscience Research. PMID 27211829 DOI: 10.1016/j.neures.2016.05.001  1
2016 Zhou Z, Tanaka KF, Matsunaga S, Iseki M, Watanabe M, Matsuki N, Ikegaya Y, Koyama R. Photoactivated adenylyl cyclase (PAC) reveals novel mechanisms underlying cAMP-dependent axonal morphogenesis. Scientific Reports. 5: 19679. PMID 26795422 DOI: 10.1038/srep19679  0.8
2016 Tao K, Ichikawa J, Matsuki N, Ikegaya Y, Koyama R. Experimental febrile seizures induce age-dependent structural plasticity and improve memory in mice. Neuroscience. 318: 34-44. PMID 26794590 DOI: 10.1016/j.neuroscience.2016.01.011  0.8
2016 Sajo M, Sugiyama H, Yamamoto H, Tanii T, Matsuki N, Ikegaya Y, Koyama R. Neuraminidase-Dependent Degradation of Polysialic Acid Is Required for the Lamination of Newly Generated Neurons. Plos One. 11: e0146398. PMID 26731280 DOI: 10.1371/journal.pone.0146398  1
2015 Zhou Z, Luo C, Koyama R. Early childhood stress and neuropsychiatric disease. Nihon Yakurigaku Zasshi. Folia Pharmacologica Japonica. 146: 263-7. PMID 26558311 DOI: 10.1254/fpj.146.263  1
2015 Zhiwen Z, Koyama R. [Photoactivated adenylyl cyclase, a new optogenetic tool for neurobiology]. Nihon Yakurigaku Zasshi. Folia Pharmacologica Japonica. 146: 119. PMID 26256751 DOI: 10.1254/fpj.146.119  1
2015 Koyama R. Findings from FEBSTAT study. Nihon Yakurigaku Zasshi. Folia Pharmacologica Japonica. 146: 66. PMID 26165345 DOI: 10.1254/fpj.146.66  1
2015 Koyama R, Ikegaya Y. Microglia in the pathogenesis of autism spectrum disorders. Neuroscience Research. 100: 1-5. PMID 26116891 DOI: 10.1016/j.neures.2015.06.005  1
2015 Koyama R, Ikegaya Y. Microglia in the pathogenesis of autism spectrum disorders Neuroscience Research. DOI: 10.1016/j.neures.2015.06.005  1
2014 Koyama R. [Excitatory GABA signaling in epilepsy]. Seikagaku. the Journal of Japanese Biochemical Society. 86: 803-6. PMID 25675822  1
2014 Koyama R. [Cellular and molecular mechanisms underlying aberrant network reorganization in the epileptic brain]. Yakugaku Zasshi : Journal of the Pharmaceutical Society of Japan. 134: 1171-7. PMID 25366914 DOI: DN/JST.JSTAGE/yakushi/14-00196  1
2014 Tao K, Matsuki N, Koyama R. AMP-activated protein kinase mediates activity-dependent axon branching by recruiting mitochondria to axon. Developmental Neurobiology. 74: 557-73. PMID 24218086 DOI: 10.1002/dneu.22149  1
2014 Tamura M, Sasaki Y, Koyama R, Takeda K, Idogawa M, Tokino T. Forkhead transcription factor FOXF1 is a novel target gene of the p53 family and regulates cancer cell migration and invasiveness. Oncogene. 33: 4837-46. PMID 24186199 DOI: 10.1038/onc.2013.427  0.84
2013 Shibata K, Nakahara S, Shimizu E, Yamashita T, Matsuki N, Koyama R. Repulsive guidance molecule a regulates hippocampal mossy fiber branching in vitro. Neuroreport. 24: 609-15. PMID 23744345 DOI: 10.1097/WNR.0b013e3283632c08  1
2013 Koyama R. The use of organotypic slice cultures for the study of epileptogenesis. Neuropathology : Official Journal of the Japanese Society of Neuropathology. 33: 475-9. PMID 23384238 DOI: 10.1111/neup.12019  1
2013 Koyama R. Animal Models of Febrile Seizures Animal Models For the Study of Human Disease. 889-901. DOI: 10.1016/B978-0-12-415894-8.00036-1  1
2012 Suzuki K, Hayashi Y, Nakahara S, Kumazaki H, Prox J, Horiuchi K, Zeng M, Tanimura S, Nishiyama Y, Osawa S, Sehara-Fujisawa A, Saftig P, Yokoshima S, Fukuyama T, Matsuki N, ... Koyama R, et al. Activity-dependent proteolytic cleavage of neuroligin-1. Neuron. 76: 410-22. PMID 23083742 DOI: 10.1016/j.neuron.2012.10.003  1
2012 Sasaki Y, Koyama R, Maruyama R, Hirano T, Tamura M, Sugisaka J, Suzuki H, Idogawa M, Shinomura Y, Tokino T. CLCA2, a target of the p53 family, negatively regulates cancer cell migration and invasion. Cancer Biology & Therapy. 13: 1512-21. PMID 22990203 DOI: 10.4161/cbt.22280  0.84
2012 Sasaki Y, Oshima Y, Koyama R, Tamura M, Kashima L, Idogawa M, Yamashita T, Toyota M, Imai K, Shinomura Y, Tokino T. A novel approach to cancer treatment using structural hybrids of the p53 gene family. Cancer Gene Therapy. 19: 749-56. PMID 22956039 DOI: 10.1038/cgt.2012.51  0.84
2012 Koyama R, Tao K, Sasaki T, Ichikawa J, Miyamoto D, Muramatsu R, Matsuki N, Ikegaya Y. GABAergic excitation after febrile seizures induces ectopic granule cells and adult epilepsy. Nature Medicine. 18: 1271-8. PMID 22797810 DOI: 10.1038/nm.2850  1
2012 Schafer DP, Lehrman EK, Kautzman AG, Koyama R, Mardinly AR, Yamasaki R, Ransohoff RM, Greenberg ME, Barres BA, Stevens B. Microglia sculpt postnatal neural circuits in an activity and complement-dependent manner. Neuron. 74: 691-705. PMID 22632727 DOI: 10.1016/j.neuron.2012.03.026  1
2012 Watanabe Y, Fujimaki M, Fukunishi N, Hasebe H, Higurashi Y, Ikezawa E, Iniao H, Kageyama T, Kamigaito O, Kase M, Kidera M, Komiyama M, Kuboki H, Kumagai K, Maie T, ... ... Koyama R, et al. Present status of riken ring cyclotron Ipac 2012 - International Particle Accelerator Conference 2012. 433-435.  0.84
2011 Tamura M, Sajo M, Kakita A, Matsuki N, Koyama R. Prenatal stress inhibits neuronal maturation through downregulation of mineralocorticoid receptors. The Journal of Neuroscience : the Official Journal of the Society For Neuroscience. 31: 11505-14. PMID 21832180 DOI: 10.1523/JNEUROSCI.3447-10.2011  1
2011 Koyama R, Izumi Y. [Novel approaches to brain diseases by young pharmacologists: from molecular to behavioral analyses for discovering potential drug targets]. Yakugaku Zasshi : Journal of the Pharmaceutical Society of Japan. 131: 1-2. PMID 21212606 DOI: JST.JSTAGE/yakushi/131.1  1
2010 Ichikawa J, Matsuki N, Koyama R. [Influences of febrile seizures on developing neuronal circuits: cellular and molecular approaches using animal models]. Nihon Yakurigaku Zasshi. Folia Pharmacologica Japonica. 136: 219-24. PMID 20948158 DOI: JST.JSTAGE/fpj/136.219  1
2010 Koyama R, Matsuki N. Novel etiological and therapeutic strategies for neurodiseases: mechanisms and consequences of febrile seizures: lessons from animal models. Journal of Pharmacological Sciences. 113: 14-22. PMID 20424387 DOI: JST.JSTAGE/jphs/09R19FM  1
2010 Muramatsu R, Nakahara S, Ichikawa J, Watanabe K, Matsuki N, Koyama R. The ratio of 'deleted in colorectal cancer' to 'uncoordinated-5A' netrin-1 receptors on the growth cone regulates mossy fibre directionality. Brain : a Journal of Neurology. 133: 60-75. PMID 19858080 DOI: 10.1093/brain/awp266  1
2009 Tamura M, Tamura N, Ikeda T, Koyama R, Ikegaya Y, Matsuki N, Yamada MK. Influence of brain-derived neurotrophic factor on pathfinding of dentate granule cell axons, the hippocampal mossy fibers. Molecular Brain. 2: 2. PMID 19183490 DOI: 10.1186/1756-6606-2-2  1
2009 Nakahara S, Tamura M, Matsuki N, Koyama R. Neuronal hyperactivity sustains the basal dendrites of immature dentate granule cells: time-lapse confocal analysis using hippocampal slice cultures. Hippocampus. 19: 379-91. PMID 19004014 DOI: 10.1002/hipo.20529  1
2008 Yamamoto A, Koyama R, Kido K, Koike K, Toba M, Takahashi K. [Case of interstitial pneumonia induced by intravesical administration of Bacillus Calmette-Guerin]. Nihon KokyÅ«Ki Gakkai Zasshi = the Journal of the Japanese Respiratory Society. 46: 803-7. PMID 19044030  0.32
2008 Ohshima Y, Kubo T, Koyama R, Ueno M, Nakagawa M, Yamashita T. Regulation of axonal elongation and pathfinding from the entorhinal cortex to the dentate gyrus in the hippocampus by the chemokine stromal cell-derived factor 1 alpha. The Journal of Neuroscience : the Official Journal of the Society For Neuroscience. 28: 8344-53. PMID 18701697 DOI: 10.1523/JNEUROSCI.1670-08.2008  1
2008 Yamada RX, Sasaki T, Ichikawa J, Koyama R, Matsuki N, Ikegaya Y. Long-range axonal calcium sweep induces axon retraction. The Journal of Neuroscience : the Official Journal of the Society For Neuroscience. 28: 4613-8. PMID 18448637 DOI: 10.1523/JNEUROSCI.0019-08.2008  1
2008 Muramatsu R, Ikegaya Y, Matsuki N, Koyama R. Early-life status epilepticus induces ectopic granule cells in adult mice dentate gyrus. Experimental Neurology. 211: 503-10. PMID 18420198 DOI: 10.1016/j.expneurol.2008.02.026  1
2007 Muramatsu R, Ikegaya Y, Matsuki N, Koyama R. Neonatally born granule cells numerically dominate adult mice dentate gyrus. Neuroscience. 148: 593-8. PMID 17706367 DOI: 10.1016/j.neuroscience.2007.06.040  1
2007 Ichikawa J, Yamada RX, Muramatsu R, Ikegaya Y, Matsuki N, Koyama R. Cryopreservation of granule cells from the postnatal rat hippocampus. Journal of Pharmacological Sciences. 104: 387-91. PMID 17675794 DOI: JST.JSTAGE/jphs/SC0070162  1
2007 Koyama R, Muramatsu R, Sasaki T, Kimura R, Ueyama C, Tamura M, Tamura N, Ichikawa J, Takahashi N, Usami A, Yamada MK, Matsuki N, Ikegaya Y. A low-cost method for brain slice cultures. Journal of Pharmacological Sciences. 104: 191-4. PMID 17558179 DOI: JST.JSTAGE/jphs/SC0070119  1
2006 Tamura M, Koyama R, Ikegaya Y, Matsuki N, Yamada MK. K252a, an inhibitor of Trk, disturbs pathfinding of hippocampal mossy fibers. Neuroreport. 17: 481-6. PMID 16543811 DOI: 10.1097/01.wnr.0000208997.23448.ea  1
2005 Koyama R, Ikegaya Y. To BDNF or not to BDNF: that is the epileptic hippocampus. The Neuroscientist : a Review Journal Bringing Neurobiology, Neurology and Psychiatry. 11: 282-7. PMID 16061515 DOI: 10.1177/1073858405278266  1
2004 Koyama R, Ikegaya Y. Mossy fiber sprouting as a potential therapeutic target for epilepsy. Current Neurovascular Research. 1: 3-10. PMID 16181061  1
2004 Koyama R, Yamada MK, Fujisawa S, Katoh-Semba R, Matsuki N, Ikegaya Y. Brain-derived neurotrophic factor induces hyperexcitable reentrant circuits in the dentate gyrus. The Journal of Neuroscience : the Official Journal of the Society For Neuroscience. 24: 7215-24. PMID 15317847 DOI: 10.1523/JNEUROSCI.2045-04.2004  1
2004 Kim JA, Koyama R, Yamada RX, Yamada MK, Nishiyama N, Matsuki N, Ikegaya Y. Environmental control of the survival and differentiation of dentate granule neurons. Cerebral Cortex (New York, N.Y. : 1991). 14: 1358-64. PMID 15192012 DOI: 10.1093/cercor/bhh096  1
2004 Koyama R, Yamada MK, Nishiyama N, Matsuki N, Ikegaya Y. Developmental switch in axon guidance modes of hippocampal mossy fibers in vitro. Developmental Biology. 267: 29-42. PMID 14975715 DOI: 10.1016/j.ydbio.2003.11.008  1
2003 Koyama R, Nakanishi T, Ikeda T, Shimizu A. Catalogue of soluble proteins in human vitreous humor by one-dimensional sodium dodecyl sulfate-polyacrylamide gel electrophoresis and electrospray ionization mass spectrometry including seven angiogenesis-regulating factors. Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences. 792: 5-21. PMID 12828993 DOI: 10.1016/S1570-0232(03)00133-8  0.68
2002 Nakanishi T, Koyama R, Ikeda T, Shimizu A. Catalogue of soluble proteins in the human vitreous humor: comparison between diabetic retinopathy and macular hole. Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences. 776: 89-100. PMID 12127329 DOI: 10.1016/S1570-0232(02)00078-8  0.68
2002 Ikegaya Y, Koyama R, Yamada MK, Nishiyama N, Matsuki N. Rapid regrowth of hippocampal mossy fibres and preceding maturation of NMDA receptor-mediated neurotransmission. The European Journal of Neuroscience. 15: 1859-62. PMID 12081666 DOI: 10.1046/j.1460-9568.2002.02035.x  1
2002 Shimizu A, Nakanishi T, Koyama R, Ikeda T. [Proteomics in clinical research: new approach of mass spectrometry]. Rinsho Byori. the Japanese Journal of Clinical Pathology. 50: 169-72. PMID 11925855  0.68
2002 Koyama R, Yamada MK, Nishiyama N, Matsuki N, Ikegaya Y. Group II metabotropic glutamate receptor activation is required for normal hippocampal mossy fibre development in the rat. The Journal of Physiology. 539: 157-62. PMID 11850509 DOI: 10.1113/jphysiol.2001.013505  1
2001 Koyama R, Sugiyama T, Okuno T, Shimizu K, Ikeda T. Secondary glaucoma and retinal hemorrhage in a case of rheumatoid arthritis Japanese Journal of Clinical Ophthalmology. 55: 1290-1294.  0.68
1990 Sasagawa Y, Koyama R, Nagai T, Tamura M, Satoh M, Kohgo Y, Niitsu Y. [IBL like T cell lymphoma associated with hemolytic anemia and polyploidy chromosomal abnormality--a case report]. [Rinshō Ketsueki] the Japanese Journal of Clinical Hematology. 31: 110-4. PMID 2156094  0.84
1988 Urushizaki I, Mogi Y, Kohgo Y, Onodera Y, Niitsu Y, Koyama R, Itaya H, Nakazawa O, Saijo N, Matsuda M. [Clinical phase II study of K-18 in cancer of the digestive organs]. Gan to Kagaku Ryoho. Cancer & Chemotherapy. 15: 361-4. PMID 2449136  0.36
1985 Urushizaki I, Kogo Y, Kouda K, Ishitani K, Niitsu Y, Matsuda M, Gocho Y, Koyama R, Nagai T, Saijo N. [Clinical phase II study of 5'-DFUR for cancer of the digestive organs by a cooperative study group]. Gan to Kagaku Ryoho. Cancer & Chemotherapy. 12: 2358-64. PMID 3000300  0.36
1977 Sato N, Yoshida N, Nagai T, Koyama R, Gocho Y. [A case of B cell type non-Hodgkin's lymphoma with hypercalcemia and characteristic pathological findings (author's transl)]. Nihon Naika Gakkai Zasshi. the Journal of the Japanese Society of Internal Medicine. 66: 428-35. PMID 302293  0.32
1977 Urushizaki I, Ishitani K, Nagai T, Gocho Y, Koyama R. Immunosuppressive factors in serum of patients with gastric carcinoma. Gan. 68: 413-21. PMID 80341  0.36
1975 Nakazawa O, Niitsu Y, Katayama S, Koyama R, Gocho Y. [Two cases of IgD (K-type) myeloma--with special reference to urine protein analyses (author's transl)]. [Rinshō Ketsueki] the Japanese Journal of Clinical Hematology. 16: 963-71. PMID 813021  0.32
1974 Urushizaki I, Koyama R, Ishikawa K, Ishitani K. [Disseminated intravascular coagulation in association with carcinomas (author's transl)]. [Rinshō Ketsueki] the Japanese Journal of Clinical Hematology. 15: 153-64. PMID 4858658  0.36
1971 Abe Y, Ishkawa K, Nishiie K, Niitsu Y, Koyama R. [An autopsy case of juvenile gastric carcinoma accompanied by microangiopathic hemolytic anemia and marked cryofibrinogenemia]. Nihon Naika Gakkai Zasshi. the Journal of the Japanese Society of Internal Medicine. 60: 1208-13. PMID 5168294  0.32
1970 Sasaki T, Koyama R, Nishiie K, Yamamoto A, Gocho Y. [Case of acute myeloblastic leukemia with Philadelphia chromosome]. Saishin Igaku. Modern Medicine. 25: 187-92. PMID 5271127  0.84
1969 Gocho Y, Koyama R, Ikeda S, Fukuda M. [3 cases of esophageal hiatus hernia]. Rinsho Hoshasen. Clinical Radiography. 14: 73-7. PMID 5192444  0.32
1968 Urushizaki I, Koyama R, Sasaki T, Fuse Y. [Autopsy case of acute premyelocytic leukemia]. Saishin Igaku. Modern Medicine. 23: 189-95. PMID 5245172  0.84
1968 Fujimoto T, Sakamoto S, Fukuda M, Koyama R, Sasaki T. [An autopsy case of malignant hemangioendotheliomatosis of the bone marrow accompanied by hypergammaglobulinemia]. Sapporo Igaku Zasshi. the Sapporo Medical Journal. 33: 38-52. PMID 4177641  0.84
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