title: Seven letters to the editor reporting new findings in patients with holoprosencephaly.
authors.forename: M Michael
authors.initials: MM
authors.lastname: Cohen
mesh_terms: D000015:Abnormalities, Multiple / Q000235:genetics / Q000473:pathology; D020022:Genetic Predisposition to Disease / Q000235:genetics*; D016142:Holoprosencephaly / Q000473:pathology*; D006801:Humans; D009154:Mutation