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Lewis DO, Yeager CA, Cobham-Portorreal CS, Klein N, Showalter C, Anthony A.Lewis DO, et al.J Am Acad Child Adolesc Psychiatry. 1991 Mar;30(2):197-201. doi: 10.1097/00004583-199103000-00006.J Am Acad Child Adolesc Psychiatry. 1991.PMID: 2016222Free article.