Birth prevalence of cleft lip and palate in Colorado by sex distribution, seasonality, race/ethnicity, and geographic variation.
Amidei RL, Hamman RF, Kassebaum DK, Marshall JA. Birth prevalence of cleft lip and palate in Colorado by sex distribution, seasonality, race/ethnicity, and geographic variation. Spec Care Dentist. 1994 Nov-Dec; 14(6):233-40.