title: [Congenital developmental defects of the face and jaws: their morbidity, mortality and risk factors].
authors.forename: S V
authors.initials: SV
authors.lastname: Beliakov
authors.forename: L E
authors.initials: LE
authors.lastname: Frolova
mesh_terms: D005145:Face / Q000002:abnormalities*; D006801:Humans; D015994:Incidence; D007569:Jaw Abnormalities / Q000453:epidemiology* / Q000209:etiology; D012307:Risk Factors; D014586:USSR / Q000453:epidemiology