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Tomporowski PD, Ellis NR.Tomporowski PD, et al. Among authors: ellis nr.Appl Res Ment Retard. 1985;6(4):465-73. doi: 10.1016/0270-3092(85)90021-9.Appl Res Ment Retard. 1985.PMID: 4073891Clinical Trial.
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