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Silverstein ML, Arzt AT.Silverstein ML, et al.J Nerv Ment Dis. 1985 Jun;173(6):341-6. doi: 10.1097/00005053-198506000-00003.J Nerv Ment Dis. 1985.PMID: 3998719
Silverstein ML, Morrison HL, Weinberg J.Silverstein ML, et al.J Nerv Ment Dis. 1980 Nov;168(11):673-8. doi: 10.1097/00005053-198011000-00006.J Nerv Ment Dis. 1980.PMID: 7441230