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Schwab-Stone M, Fisher P, Piacentini J, Shaffer D, Davies M, Briggs M.Schwab-Stone M, et al. Among authors: piacentini j.J Am Acad Child Adolesc Psychiatry. 1993 May;32(3):651-7. doi: 10.1097/00004583-199305000-00024.J Am Acad Child Adolesc Psychiatry. 1993.PMID: 8496129