title: On the nosology of van der Woude syndrome and popliteal pterygium syndrome: implications for genetic counseling.
authors.forename: J P
authors.initials: JP
authors.lastname: Fryns
authors.forename: K
authors.initials: K
authors.lastname: Devriendt
mesh_terms: D000015:Abnormalities, Multiple / Q000235:genetics*; D002878:Chromosomes, Human, Pair 1; D002886:Chromosomes, Human, Pair 17; D002972:Cleft Palate / Q000235:genetics*; D005817:Genetic Counseling; D008040:Genetic Linkage; D006801:Humans; D013577:Syndrome