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Duffy SA, Terrell JE, Valenstein M, Ronis DL, Copeland LA, Connors M.Duffy SA, et al. Among authors: copeland la.Gen Hosp Psychiatry. 2002 May-Jun;24(3):140-7. doi: 10.1016/s0163-8343(02)00180-9.Gen Hosp Psychiatry. 2002.PMID: 12062138