Paul Tofts - Publications

Affiliations: 
Brighton and Sussex Medical School University of Sussex, Falmer, England, United Kingdom 

68 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
2009 Waldman AD, Jackson A, Price SJ, Clark CA, Booth TC, Auer DP, Tofts PS, Collins DJ, Leach MO, Rees JH. Quantitative imaging biomarkers in neuro-oncology. Nature Reviews. Clinical Oncology. 6: 445-54. PMID 19546864 DOI: 10.1038/Nrclinonc.2009.92  0.498
2008 Schmierer K, Wheeler-Kingshott CA, Tozer DJ, Boulby PA, Parkes HG, Yousry TA, Scaravilli F, Barker GJ, Tofts PS, Miller DH. Quantitative magnetic resonance of postmortem multiple sclerosis brain before and after fixation. Magnetic Resonance in Medicine : Official Journal of the Society of Magnetic Resonance in Medicine / Society of Magnetic Resonance in Medicine. 59: 268-77. PMID 18228601 DOI: 10.1002/Mrm.21487  0.469
2007 Schmierer K, Tozer DJ, Scaravilli F, Altmann DR, Barker GJ, Tofts PS, Miller DH. Quantitative magnetization transfer imaging in postmortem multiple sclerosis brain. Journal of Magnetic Resonance Imaging : Jmri. 26: 41-51. PMID 17659567 DOI: 10.1002/Jmri.20984  0.494
2007 Schmierer K, Wheeler-Kingshott CA, Boulby PA, Scaravilli F, Altmann DR, Barker GJ, Tofts PS, Miller DH. Diffusion tensor imaging of post mortem multiple sclerosis brain. Neuroimage. 35: 467-77. PMID 17258908 DOI: 10.1016/J.Neuroimage.2006.12.010  0.489
2006 Tofts PS, Steens SC, Cercignani M, Admiraal-Behloul F, Hofman PA, van Osch MJ, Teeuwisse WM, Tozer DJ, van Waesberghe JH, Yeung R, Barker GJ, van Buchem MA. Sources of variation in multi-centre brain MTR histogram studies: body-coil transmission eliminates inter-centre differences. Magma (New York, N.Y.). 19: 209-22. PMID 16957936 DOI: 10.1007/S10334-006-0049-8  0.374
2006 Ridha BH, Symms MR, Tozer DJ, Stockton KC, Siddique MM, Lewis EB, MacManus DG, Kukkastenvehmas RH, Boulby PA, Barker GJ, Rossor MN, Fox NC, Tofts PS. P2-294: Magnetization transfer ratio in Alzheimer's disease: Comparison with volumetric measurements Alzheimer's & Dementia. 2: S325-S326. DOI: 10.1016/J.Jalz.2006.05.1133  0.386
2005 Hadjiprocopis A, Rashid W, Tofts PS. Unbiased segmentation of diffusion-weighted magnetic resonance images of the brain using iterative clustering. Magnetic Resonance Imaging. 23: 877-85. PMID 16275427 DOI: 10.1016/j.mri.2005.07.010  0.312
2005 Tofts PS, Silver NC, Barker GJ, Gass A. Object strength--an accurate measure for small objects that is insensitive to partial volume effects. Magma (New York, N.Y.). 18: 162-9. PMID 16028083 DOI: 10.1007/S10334-005-0106-8  0.423
2005 Cercignani M, Symms MR, Schmierer K, Boulby PA, Tozer DJ, Ron M, Tofts PS, Barker GJ. Three-dimensional quantitative magnetisation transfer imaging of the human brain. Neuroimage. 27: 436-41. PMID 15978842 DOI: 10.1016/J.Neuroimage.2005.04.031  0.453
2005 Tozer DJ, Davies GR, Altmann DR, Miller DH, Tofts PS. Correlation of apparent myelin measures obtained in multiple sclerosis patients and controls from magnetization transfer and multicompartmental T2 analysis. Magnetic Resonance in Medicine. 53: 1415-22. PMID 15906291 DOI: 10.1002/mrm.20479  0.313
2005 Leach MO, Brindle KM, Evelhoch JL, Griffiths JR, Horsman MR, Jackson A, Jayson GC, Judson IR, Knopp MV, Maxwell RJ, McIntyre D, Padhani AR, Price P, Rathbone R, Rustin GJ, ... Tofts PS, et al. The assessment of antiangiogenic and antivascular therapies in early-stage clinical trials using magnetic resonance imaging: issues and recommendations. British Journal of Cancer. 92: 1599-610. PMID 15870830 DOI: 10.1038/Sj.Bjc.6602550  0.325
2005 Davies GR, Altmann DR, Hadjiprocopis A, Rashid W, Chard DT, Griffin CM, Tofts PS, Barker GJ, Kapoor R, Thompson AJ, Miller DH. Increasing normal-appearing grey and white matter magnetisation transfer ratio abnormality in early relapsing-remitting multiple sclerosis Journal of Neurology. 252: 1037-1044. PMID 15834645 DOI: 10.1007/S00415-005-0808-X  0.446
2005 Barker GJ, Schreiber WG, Gass A, Ranjeva JP, Campi A, van Waesberghe JH, Franconi JM, Watt HC, Tofts PS. A standardised method for measuring magnetisation transfer ratio on MR imagers from different manufacturers--the EuroMT sequence. Magma (New York, N.Y.). 18: 76-80. PMID 15785944 DOI: 10.1007/S10334-004-0095-Z  0.438
2004 Davies GR, Tozer DJ, Cercignani M, Ramani A, Dalton CM, Thompson AJ, Barker GJ, Tofts PS, Miller DH. Estimation of the macromolecular proton fraction and bound pool T2 in multiple sclerosis. Multiple Sclerosis (Houndmills, Basingstoke, England). 10: 607-13. PMID 15584482 DOI: 10.1191/1352458504Ms1105Oa  0.457
2004 Rashid W, Hadjiprocopis A, Griffin CM, Chard DT, Davies GR, Barker GJ, Tofts PS, Thompson AJ, Miller DH. Diffusion tensor imaging of early relapsing-remitting multiple sclerosis with histogram analysis using automated segmentation and brain volume correction Multiple Sclerosis. 10: 9-15. PMID 14760947 DOI: 10.1191/1352458504Ms985Oa  0.489
2004 Ramani A, Aliev AE, Barker GJ, Tofts PS. Another approach to protons with constricted mobility in white matter: pilot studies using wideline and high-resolution NMR spectroscopy. Magnetic Resonance Imaging. 21: 1039-43. PMID 14684209 DOI: 10.1016/S0730-725X(03)00207-8  0.457
2003 Tozer D, Ramani A, Barker GJ, Davies GR, Miller DH, Tofts PS. Quantitative magnetization transfer mapping of bound protons in multiple sclerosis. Magnetic Resonance in Medicine. 50: 83-91. PMID 12815682 DOI: 10.1002/Mrm.10514  0.487
2003 Davies GR, Ramani A, Dalton CM, Tozer DJ, Wheeler-Kingshott CA, Barker GJ, Thompson AJ, Miller DH, Tofts PS. Preliminary magnetic resonance study of the macromolecular proton fraction in white matter: a potential marker of myelin? Multiple Sclerosis (Houndmills, Basingstoke, England). 9: 246-9. PMID 12814170 DOI: 10.1191/1352458503Ms911Oa  0.449
2003 Ramani A, Dalton C, Miller DH, Tofts PS, Barker GJ. Precise estimate of fundamental in-vivo MT parameters in human brain in clinically feasible times. Magnetic Resonance Imaging. 20: 721-31. PMID 12591568 DOI: 10.1016/S0730-725X(02)00598-2  0.463
2002 Wheeler-Kingshott CA, Parker GJ, Symms MR, Hickman SJ, Tofts PS, Miller DH, Barker GJ. ADC mapping of the human optic nerve: increased resolution, coverage, and reliability with CSF-suppressed ZOOM-EPI. Magnetic Resonance in Medicine. 47: 24-31. PMID 11754439 DOI: 10.1002/Mrm.10016  0.415
2001 Silver NC, Tofts PS, Symms MR, Barker GJ, Thompson AJ, Miller DH. Quantitative contrast-enhanced magnetic resonance imaging to evaluate blood-brain barrier integrity in multiple sclerosis: a preliminary study. Multiple Sclerosis (Houndmills, Basingstoke, England). 7: 75-82. PMID 11424635 DOI: 10.1177/135245850100700201  0.503
2001 Parker GJ, Barker GJ, Tofts PS. Accurate multislice gradient echo T(1) measurement in the presence of non-ideal RF pulse shape and RF field nonuniformity. Magnetic Resonance in Medicine. 45: 838-45. PMID 11323810 DOI: 10.1002/Mrm.1112  0.408
2000 Tofts PS, Lloyd D, Clark CA, Barker GJ, Parker GJ, McConville P, Baldock C, Pope JM. Test liquids for quantitative MRI measurements of self-diffusion coefficient in vivo. Magnetic Resonance in Medicine : Official Journal of the Society of Magnetic Resonance in Medicine / Society of Magnetic Resonance in Medicine. 43: 368-74. PMID 10725879 DOI: 10.1002/(Sici)1522-2594(200003)43:3<368::Aid-Mrm8>3.0.Co;2-B  0.589
2000 Clark CA, Barker GJ, Tofts PS. Improved reduction of motion artifacts in diffusion imaging using navigator echoes and velocity compensation. Journal of Magnetic Resonance (San Diego, Calif. : 1997). 142: 358-63. PMID 10648154 DOI: 10.1006/Jmre.1999.1955  0.593
1999 Davie CA, Silver NC, Barker GJ, Tofts PS, Thompson AJ, McDonald WI, Miller DH. Does the extent of axonal loss and demyelination from chronic lesions in multiple sclerosis correlate with the clinical subgroup? Journal of Neurology, Neurosurgery, and Psychiatry. 67: 710-5. PMID 10567484 DOI: 10.1136/Jnnp.67.6.710  0.473
1999 Clark CA, Barker GJ, Tofts PS. An in vivo evaluation of the effects of local magnetic susceptibility-induced gradients on water diffusion measurements in human brain. Journal of Magnetic Resonance (San Diego, Calif. : 1997). 141: 52-61. PMID 10527743 DOI: 10.1006/Jmre.1999.1872  0.602
1999 Wieshmann UC, Symms MR, Mottershead JP, MacManus DG, Barker GJ, Tofts PS, Revesz T, Stevens JM, Shorvon SD. Hippocampal layers on high resolution magnetic resonance images: real or imaginary? Journal of Anatomy. 195: 131-5. PMID 10473300 DOI: 10.1046/J.1469-7580.1999.19510131.X  0.398
1999 Clark CA, Barker GJ, Tofts PS. Magnetic resonance diffusion imaging of the human cervical spinal cord in vivo. Magnetic Resonance in Medicine : Official Journal of the Society of Magnetic Resonance in Medicine / Society of Magnetic Resonance in Medicine. 41: 1269-73. PMID 10371462 DOI: 10.1002/(Sici)1522-2594(199906)41:6<1269::Aid-Mrm26>3.0.Co;2-2  0.575
1999 Berry I, Barker GJ, Barkhof F, Campi A, Dousset V, Franconi JM, Gass A, Schreiber W, Miller DH, Tofts PS. A multicenter measurement of magnetization transfer ratio in normal white matter. Journal of Magnetic Resonance Imaging : Jmri. 9: 441-6. PMID 10194715 DOI: 10.1002/(Sici)1522-2586(199903)9:3<441::Aid-Jmri12>3.0.Co;2-R  0.461
1998 Molyneux PD, Tofts PS, Fletcher A, Gunn B, Robinson P, Gallagher H, Moseley IF, Barker GJ, Miller DH. Precision and reliability for measurement of change in MRI lesion volume in multiple sclerosis: a comparison of two computer assisted techniques. Journal of Neurology, Neurosurgery, and Psychiatry. 65: 42-7. PMID 9667559 DOI: 10.1136/Jnnp.65.1.42  0.443
1998 Filippi M, Horsfield MA, Adèr HJ, Barkhof F, Bruzzi P, Evans A, Frank JA, Grossman RI, McFarland HF, Molyneux P, Paty DW, Simon J, Tofts PS, Wolinsky JS, Miller DH. Guidelines for using quantitative measures of brain magnetic resonance imaging abnormalities in monitoring the treatment of multiple sclerosis Annals of Neurology. 43: 499-506. PMID 9546332 DOI: 10.1002/Ana.410430414  0.343
1998 Barker GJ, Simmons A, Arridge SR, Tofts PS. A simple method for investigating the effects of non-uniformity of radiofrequency transmission and radiofrequency reception in MRI. The British Journal of Radiology. 71: 59-67. PMID 9534700 DOI: 10.1259/Bjr.71.841.9534700  0.419
1998 Wang L, Lai HM, Barker GJ, Miller DH, Tofts PS. Correction for variations in MRI scanner sensitivity in brain studies with histogram matching. Magnetic Resonance in Medicine. 39: 322-7. PMID 9469718 DOI: 10.1002/Mrm.1910390222  0.471
1998 Davie CA, Barker GJ, Thompson AJ, Tofts PS, McDonald WI, Miller DH. 1H magnetic resonance spectroscopy of chronic cerebral white matter lesions and normal appearing white matter in multiple sclerosis. Journal of Neurology, Neurosurgery, and Psychiatry. 63: 736-42. PMID 9416807 DOI: 10.1136/Jnnp.63.6.736  0.448
1997 Barkhof F, Filippi M, Miller DH, Tofts P, Kappos L, Thompson AJ. Strategies for optimizing MRI techniques aimed at monitoring disease activity in multiple sclerosis treatment trials. Journal of Neurology. 244: 76-84. PMID 9120500 DOI: 10.1007/S004150050053  0.375
1997 Tofts PS, Barker GJ, Filippi M, Gawne-Cain M, Lai M. An oblique cylinder contrast-adjusted (OCCA) phantom to measure the accuracy of MRI brain lesion volume estimation schemes in multiple sclerosis. Magnetic Resonance Imaging. 15: 183-92. PMID 9106146 DOI: 10.1016/S0730-725X(96)00339-6  0.457
1997 Tofts PS, Barker GJ, Dean TL, Gallagher H, Gregory AP, Clarke RN. A low dielectric constant customized phantom design to measure RF coil nonuniformity. Magnetic Resonance Imaging. 15: 69-75. PMID 9084027 DOI: 10.1016/S0730-725X(96)00220-2  0.423
1997 Silver NC, Barker GJ, MacManus DG, Tofts PS, Miller DH. Magnetisation transfer ratio of normal brain white matter: a normative database spanning four decades of life. Journal of Neurology, Neurosurgery, and Psychiatry. 62: 223-8. PMID 9069474 DOI: 10.1136/Jnnp.62.3.223  0.421
1997 Gass A, Barker GJ, Riordan-Eva P, MacManus D, Sanders M, Tofts PS, McDonald WI, Moseley IF, Miller DH. MRI of the optic nerve in benign intracranial hypertension. Neuroradiology. 38: 769-73. PMID 8957802 DOI: 10.1007/S002340050344  0.387
1997 Barker GJ, Tofts PS, Gass A. An interleaved sequence for accurate and reproducible clinical measurement of magnetization transfer ratio. Magnetic Resonance Imaging. 14: 403-11. PMID 8782178 DOI: 10.1016/0730-725X(96)00019-7  0.475
1996 Wieshmann UC, Free SL, Everitt AD, Bartlett PA, Barker GJ, Tofts PS, Duncan JS, Shorvon SD, Stevens JM. Magnetic resonance imaging in epilepsy with a fast FLAIR sequence. Journal of Neurology, Neurosurgery, and Psychiatry. 61: 357-61. PMID 8890773 DOI: 10.1136/Jnnp.61.4.357  0.414
1996 Gawne‐Cain ML, Webb S, Tofts P, Miller DH. Lesion volume measurement in multiple sclerosis: how important is accurate repositioning? Journal of Magnetic Resonance Imaging. 6: 705-713. PMID 8890007 DOI: 10.1002/Jmri.1880060502  0.379
1996 Grimaud J, Lai M, Thorpe J, Adeleine P, Wang L, Barker GJ, Plummer DL, Tofts PS, McDonald WI, Miller DH. Quantification of MRI lesion load in multiple sclerosis: a comparison of three computer-assisted techniques. Magnetic Resonance Imaging. 14: 495-505. PMID 8843362 DOI: 10.1016/0730-725X(96)00018-5  0.464
1996 Gasperini C, Horsfield MA, Thorpe JW, Kidd D, Barker GJ, Tofts PS, MacManus DG, Thompson AJ, Miller DH, McDonald WI. Macroscopic and microscopic assessments of disease burden by MRI in multiple sclerosis: relationship to clinical parameters. Journal of Magnetic Resonance Imaging : Jmri. 6: 580-4. PMID 8835949 DOI: 10.1002/jmri.1880060404  0.317
1996 Tofts PS. Novel MR image contrast mechanisms in epilepsy. Magnetic Resonance Imaging. 13: 1099-106. PMID 8750322 DOI: 10.1016/0730-725X(95)02018-O  0.333
1996 Losseff NA, Webb SL, O'Riordan JI, Page R, Wang L, Barker GJ, Tofts PS, McDonald WI, Miller DH, Thompson AJ. Spinal cord atrophy and disability in multiple sclerosis. A new reproducible and sensitive MRI method with potential to monitor disease progression. Brain : a Journal of Neurology. 701-8. PMID 8673483 DOI: 10.1093/Brain/119.3.701  0.44
1996 Filippi M, Horsfield MA, Tofts PS, Barkhof F, Thompson AJ, Miller DH. Quantitative assessment of MRI lesion load in monitoring the evolution of multiple sclerosis. Brain : a Journal of Neurology. 1601-12. PMID 8595489 DOI: 10.1093/Brain/118.6.1601  0.321
1996 Davie CA, Barker GJ, Webb S, Tofts PS, Thompson AJ, Harding AE, McDonald WI, Miller DH. Persistent functional deficit in multiple sclerosis and autosomal dominant cerebellar ataxia is associated with axon loss. Brain : a Journal of Neurology. 1583-92. PMID 8595487 DOI: 10.1093/Brain/118.6.1583  0.465
1996 Thorpe JW, Barker GJ, Jones SJ, Moseley I, Losseff N, MacManus DG, Webb S, Mortimer C, Plummer DL, Tofts PS. Magnetisation transfer ratios and transverse magnetisation decay curves in optic neuritis: correlation with clinical findings and electrophysiology. Journal of Neurology, Neurosurgery, and Psychiatry. 59: 487-92. PMID 8530932 DOI: 10.1136/Jnnp.59.5.487  0.431
1995 Maier M, Ron MA, Barker GJ, Tofts PS. Proton magnetic resonance spectroscopy: an in vivo method of estimating hippocampal neuronal depletion in schizophrenia. Psychological Medicine. 25: 1201-9. PMID 8637950 DOI: 10.1017/S0033291700033171  0.381
1995 Simmons A, Arridge SR, Barker GJ, Cluckie AJ, Tofts PS. Improvements to the quality of MRI cluster analysis. Magnetic Resonance Imaging. 12: 1191-204. PMID 7854026 DOI: 10.1016/0730-725X(94)90085-6  0.395
1995 Davie CA, Wenning GK, Barker GJ, Tofts PS, Kendall BE, Quinn N, McDonald WI, Marsden CD, Miller DH. Differentiation of multiple system atrophy from idiopathic Parkinson's disease using proton magnetic resonance spectroscopy. Annals of Neurology. 37: 204-10. PMID 7847862 DOI: 10.1002/Ana.410370211  0.394
1995 Gass A, Barker GJ, MacManus D, Sanders M, Riordan-Eva P, Tofts PS, Thorpe J, McDonald WI, Moseley IF, Miller DH. High resolution magnetic resonance imaging of the anterior visual pathway in patients with optic neuropathies using fast spin echo and phased array local coils. Journal of Neurology, Neurosurgery, and Psychiatry. 58: 562-9. PMID 7745403 DOI: 10.1136/Jnnp.58.5.562  0.391
1994 Davie CA, Hawkins CP, Barker GJ, Brennan A, Tofts PS, Miller DH, McDonald WI. Serial proton magnetic resonance spectroscopy in acute multiple sclerosis lesions. Brain : a Journal of Neurology. 49-58. PMID 8149214 DOI: 10.1093/Brain/117.1.49  0.464
1994 Simmons A, Tofts PS, Barker GJ, Arridge SR. Sources of intensity nonuniformity in spin echo images at 1.5 T. Magnetic Resonance in Medicine. 32: 121-8. PMID 8084227 DOI: 10.1002/Mrm.1910320117  0.437
1994 Gass A, Barker GJ, Kidd D, Thorpe JW, MacManus D, Brennan A, Tofts PS, Thompson AJ, McDonald WI, Miller DH. Correlation of magnetization transfer ratio with clinical disability in multiple sclerosis. Annals of Neurology. 36: 62-7. PMID 8024264 DOI: 10.1002/Ana.410360113  0.499
1994 Thorpe JW, MacManus DG, Kendall BE, Tofts PS, Barker GJ, McDonald WI, Miller DH. Short tau inversion recovery fast spin-echo (fast STIR) imaging of the spinal cord in multiple sclerosis. Magnetic Resonance Imaging. 12: 983-9. PMID 7997103 DOI: 10.1016/0730-725X(94)91228-O  0.449
1994 Tofts PS, Barker GJ, Simmons A, MacManus DG, Thorpe J, Gass A, Miller DH. Correction of nonuniformity in images of the spine and optic nerve from fixed receive-only surface coils at 1.5 T. Journal of Computer Assisted Tomography. 18: 997-1003. PMID 7962820 DOI: 10.1097/00004728-199411000-00033  0.4
1994 Simmons A, Barker GJ, Tofts PS, Gass A, Arridge SR. A method for visualization of MRI partial volume regions--PAIR (PArtial volume sensitised Inversion Recovery imaging). Magnetic Resonance Imaging. 12: 821-6. PMID 7934669 DOI: 10.1016/0730-725X(94)92207-1  0.464
1994 Davie CA, Barker GJ, Quinn N, Tofts PS, Miller DH. Proton MRS in Huntington's disease. Lancet (London, England). 343: 1580. PMID 7911910 DOI: 10.1016/S0140-6736(94)92987-4  0.365
1993 Kaldoudi E, Williams SC, Barker GJ, Tofts PS. A chemical shift selective inversion recovery sequence for fat-suppressed MRI: theory and experimental validation. Magnetic Resonance Imaging. 11: 341-55. PMID 8505868 DOI: 10.1016/0730-725X(93)90067-N  0.436
1993 Wicks DA, Barker GJ, Tofts PS. Correction of intensity nonuniformity in MR images of any orientation. Magnetic Resonance Imaging. 11: 183-96. PMID 8455430 DOI: 10.1016/0730-725X(93)90023-7  0.473
1993 Thorpe JW, Kidd D, Kendall BE, Tofts PS, Barker GJ, Thompson AJ, MacManus DG, McDonald WI, Miller DH. Spinal cord MRI using multi-array coils and fast spin echo. I. Technical aspects and findings in healthy adults. Neurology. 43: 2625-31. PMID 8255467 DOI: 10.1212/Wnl.43.12.2625  0.446
1993 Davie CA, Hawkins CP, Barker GJ, Brennan A, Tofts PS, Miller DH, McDonald WI. Detection of myelin breakdown products by proton magnetic resonance spectroscopy. Lancet (London, England). 341: 630-1. PMID 8094854 DOI: 10.1016/0140-6736(93)90390-3  0.398
1992 Barker GJ, Tofts PS. Semiautomated quality assurance for quantitative magnetic resonance imaging. Magnetic Resonance Imaging. 10: 585-95. PMID 1501529 DOI: 10.1016/0730-725X(92)90010-W  0.44
1990 Kermode AG, Tofts PS, Thompson AJ, MacManus DG, Rudge P, Kendall BE, Kingsley DPE, Moseley IF, Du Boulay EPGH, McDonald WI. Heterogeneity of blood-brain barrier changes in multiple sclerosis: An MRI study with gadolinium-DTPA enhancement Neurology. 40: 229-235. PMID 2300240 DOI: 10.1212/WNL.40.2.229  0.3
1987 Barnes D, McDonald WI, Johnson G, Tofts PS, Landon DN. Quantitative nuclear magnetic resonance imaging: characterisation of experimental cerebral oedema. Journal of Neurology, Neurosurgery, and Psychiatry. 50: 125-33. PMID 3572428 DOI: 10.1136/jnnp.50.2.125  0.322
1986 Barnes D, McDonald WI, Tofts PS, Johnson G, Landon DN. Magnetic resonance imaging of experimental cerebral oedema. Journal of Neurology, Neurosurgery, and Psychiatry. 49: 1341-7. PMID 3806109 DOI: 10.1136/jnnp.49.12.1341  0.303
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