title: Response to commentary on the papers from the Sri Lankan Cleft Lip and Palate Project.
authors.forename: M
authors.initials: M
authors.lastname: Mars
authors.forename: W J
authors.initials: WJ
authors.lastname: Houston
mesh_terms: D002971:Cleft Lip / Q000473:pathology*; D002972:Cleft Palate / Q000473:pathology*; D006801:Humans; D013188:Sri Lanka