title: Clefts of the lip and/or palate in monozygotic twins.
authors.forename: T M
authors.initials: TM
authors.lastname: Davies
authors.forename: R P
authors.initials: RP
authors.lastname: Thompson
mesh_terms: D002971:Cleft Lip / Q000235:genetics* / Q000628:therapy; D002972:Cleft Palate / Q000235:genetics* / Q000628:therapy; D004200:Diseases in Twins; D006801:Humans; D007231:Infant, Newborn; D008297:Male; D014427:Twins; D014430:Twins, Monozygotic