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Levy SE, Mandell DS, Merhar S, Ittenbach RF, Pinto-Martin JA.Levy SE, et al. Among authors: mandell ds.J Dev Behav Pediatr. 2003 Dec;24(6):418-23. doi: 10.1097/00004703-200312000-00003.J Dev Behav Pediatr. 2003.PMID: 14671475