title: Re: "Incidence and prevalence as measures of the frequency of birth defects".
mesh_terms: D000013:Congenital Abnormalities / Q000453:epidemiology*; D004812:Epidemiologic Methods; D005260:Female; D005313:Fetal Death / Q000453:epidemiology*; D006801:Humans; D006814:Hungary; D007231:Infant, Newborn; D011247:Pregnancy