Mutational Analysis of the Muscle Segment Homeobox Gene 1 (MSX1) in Chilean Patients With Cleft Lip/Palate - Vieira, A R; Taucher, S; Aravena, T; Astete, C; Sanz, P; Tastets, M E; Monasterio, L; Murray, J C (Rev Med Chil, 2004)