National survey of congenital malformations resulting from exposure to roentgen radiation.
D000368:Aged; D000013:Congenital Abnormalities / Q000209:etiology*; D004194:Disease; D011827:Radiation; D012106:Research; D014965:X-Rays / Q000009:adverse effects
ABNORMALITIES/etiology and pathogenesis; AGED/diseases; ROENTGEN RAYS/injurious effects