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O'Brien J, Perry R, Barber R, Gholkar A, Thomas A.O'Brien J, et al. Among authors: perry r.Ann N Y Acad Sci. 2000 Apr;903:482-9. doi: 10.1111/j.1749-6632.2000.tb06403.x.Ann N Y Acad Sci. 2000.PMID: 10818542
Thomas AJ, O'Brien JT, Davis S, Ballard C, Barber R, Kalaria RN, Perry RH.Thomas AJ, et al. Among authors: perry rh.Arch Gen Psychiatry. 2002 Sep;59(9):785-92. doi: 10.1001/archpsyc.59.9.785.Arch Gen Psychiatry. 2002.PMID: 12215077
Thomas AJ, Perry R, Barber R, Kalaria RN, O'Brien JT.Thomas AJ, et al. Among authors: perry r.Ann N Y Acad Sci. 2002 Nov;977:333-9. doi: 10.1111/j.1749-6632.2002.tb04835.x.Ann N Y Acad Sci. 2002.PMID: 12480770
Ballard CG, Jacoby R, Del Ser T, Khan MN, Munoz DG, Holmes C, Nagy Z, Perry EK, Joachim C, Jaros E, O'Brien JT, Perry RH, McKeith IG.Ballard CG, et al. Among authors: perry ek, perry rh.Am J Psychiatry. 2004 May;161(5):843-9. doi: 10.1176/appi.ajp.161.5.843.Am J Psychiatry. 2004.PMID: 15121649
Ballard C, Holmes C, McKeith I, Neill D, O'Brien J, Cairns N, Lantos P, Perry E, Ince P, Perry R.Ballard C, et al. Among authors: perry e, perry r.Am J Psychiatry. 1999 Jul;156(7):1039-45. doi: 10.1176/ajp.156.7.1039.Am J Psychiatry. 1999.PMID: 10401449
Ballard C, McKeith I, O'Brien J, Kalaria R, Jaros E, Ince P, Perry R.Ballard C, et al. Among authors: perry r.Dement Geriatr Cogn Disord. 2000 Mar-Apr;11(2):59-65. doi: 10.1159/000017215.Dement Geriatr Cogn Disord. 2000.PMID: 10705161Clinical Trial.