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Ela-Dalman N, Velez G, Thacker N, Britt MT, Velez FG.Ela-Dalman N, et al. Among authors: britt mt.J AAPOS. 2006 Dec;10(6):561-4. doi: 10.1016/j.jaapos.2006.09.011.J AAPOS. 2006.PMID: 17189151