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Connor KM, Davidson JR, Weisler RH, Zhang W, Abraham K.Connor KM, et al. Among authors: davidson jr.Psychopharmacology (Berl). 2006 Jan;184(1):21-5. doi: 10.1007/s00213-005-0265-3. Epub 2005 Dec 10.Psychopharmacology (Berl). 2006.PMID: 16341846Clinical Trial.