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Hoffman RE, Hawkins KA, Gueorguieva R, Boutros NN, Rachid F, Carroll K, Krystal JH.Hoffman RE, et al. Among authors: gueorguieva r.Arch Gen Psychiatry. 2003 Jan;60(1):49-56. doi: 10.1001/archpsyc.60.1.49.Arch Gen Psychiatry. 2003.PMID: 12511172Clinical Trial.