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Cummins RA.Cummins RA.Ment Retard Dev Disabil Res Rev. 2001;7(2):99-104. doi: 10.1002/mrdd.1014.Ment Retard Dev Disabil Res Rev. 2001.PMID: 11389564Review.
Gullone E, King NJ, Cummins RA.Gullone E, et al. Among authors: cummins ra.Res Dev Disabil. 1996 Jul-Aug;17(4):269-84. doi: 10.1016/0891-4222(96)00008-x.Res Dev Disabil. 1996.PMID: 8827837