[Survey of congenital harelip and cleft palate in Tianjin (author's transl)].
D002681:China; D002971:Cleft Lip / Q000453:epidemiology* / Q000209:etiology; D002972:Cleft Palate / Q000453:epidemiology* / Q000209:etiology; D003753:Dental Health Surveys; D005260:Female; D006801:Humans; D008297:Male