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Szydlo D, van Wattum PJ, Woolston J.Szydlo D, et al. Among authors: van wattum pj.Child Adolesc Psychiatr Clin N Am. 2003 Jul;12(3):439-58, vi. doi: 10.1016/s1056-4993(03)00006-3.Child Adolesc Psychiatr Clin N Am. 2003.PMID: 12910817Review.
Scahill L, Lombroso PJ, Mack G, Van Wattum PJ, Zhang H, Vitale A, Leckman JF.Scahill L, et al. Among authors: van wattum pj.Percept Mot Skills. 2001 Apr;92(2):419-32. doi: 10.2466/pms.2001.92.2.419.Percept Mot Skills. 2001.PMID: 11361302