title: Lower lip sinuses: I. Epidemiology, microforms and transverse sulci.
mesh_terms: D002971:Cleft Lip / Q000150:complications / Q000235:genetics; D002972:Cleft Palate / Q000150:complications / Q000235:genetics; D005260:Female; D005387:Finland; D006801:Humans; D007231:Infant, Newborn; D008046:Lip / Q000002:abnormalities*; D008297:Male