[The question of placental radiography without contrast medium].
D000818:Animals; D003287:Contrast Media; D005260:Female; D006801:Humans; D008322:Mammals; D010920:Placenta / Q000000981:diagnostic imaging*; D011247:Pregnancy; D011859:Radiography
D003287:Contrast Media
PLACENTA/radiography
A questão da radiografia placentária sem meio de contraste.