title: Serial growth changes in the lips.
mesh_terms: D000293:Adolescent; D002648:Child; D002675:Child, Preschool; D004200:Diseases in Twins; D005260:Female; D006801:Humans; D007223:Infant; D008046:Lip / Q000254:growth & development*; D008297:Male; D011247:Pregnancy; D014430:Twins, Monozygotic