title: Relatively speaking...
authors: Steve
authors: S
authors: Ainsworth
mesh_terms: D000013:Congenital Abnormalities / Q000453:epidemiology*; D003241:Consanguinity; D005260:Female; D006801:Humans; D008297:Male; D008393:Marriage; D010290:Parents; D011247:Pregnancy; D011256:Pregnancy Outcome / Q000453:epidemiology; D012307:Risk Factors