Epidemiologic methods in research of congenital malformations.
D000014:Abnormalities, Drug-Induced; D001719:Birth Certificates; D000013:Congenital Abnormalities / Q000209:etiology; D004812:Epidemiologic Methods; D006801:Humans; D007557:Israel; D008499:Medical Records; D011159:Population Surveillance; D014780:Viruses