Interferon regulatory factor 6 (IRF6) gene variants and the risk of isolated cleft lip or palate. - Zucchero TM; Cooper ME; Maher BS; Daack-Hirsch S; Nepomuceno B; Ribeiro L; Caprau D; Christensen K; Suzuki Y; Machida J; Natsume N; Yoshiura K; et al. (New England Journal of Medicine, 2004)