_:vb50940876 "url:https://www.ncbi.nlm.nih.gov/pubmed/7820940"^^ . _:vb50940876 . _:vb50940876 "An orofacial cleft that has_material_basis_in variation in the 4q21-q31 chromosomal region."^^ . _:vb50940876 . _:vb50940876 . _:vb50940876 . _:vb50940876 "url:https://www.ncbi.nlm.nih.gov/pubmed/12087515"^^ . _:vb50940876 .