AbstractGet full access to this articleView all access options for this article.Get accessReferences1. Sassani R. , Bartlett S. , Hagg A. , Goldner-Suave A. , Feng S. , Beutow K. , Gassner D. . Association between alleles of the transforming growth factor alpha locus and the occurrence of cleft lip. Am J Med Genet 1993; 44: 109–112.