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Ahmad NN, Ala-Kokko L, Knowlton RG, Jimenez SA, Weaver EJ, Maguire JI, Tasman W, Prockop DJ.Ahmad NN, et al.Proc Natl Acad Sci U S A. 1991 Aug 1;88(15):6624-7. doi: 10.1073/pnas.88.15.6624.Proc Natl Acad Sci U S A. 1991.PMID: 1677770Free PMC article.
Williams CJ, Harrison DA, Hopkinson I, Baldwin CT, Ahmad NN, Ala-Kokko L, Korn RM, Buxton PG, Dimascio J, Considine EL, et al.Williams CJ, et al. Among authors: ahmad nn.Hum Mutat. 1992;1(5):403-16. doi: 10.1002/humu.1380010510.Hum Mutat. 1992.PMID: 1301950