title: The depth of the sulcus of the upper lip--a cephalometric study.
mesh_terms: D000293:Adolescent; D002508:Cephalometry; D002648:Child; D005260:Female; D006801:Humans; D008046:Lip / Q000033:anatomy & histology*; D008297:Male; D008310:Malocclusion / Q000473:pathology