title: [The frequency of use of ionizing radiation during early pregnancy].
mesh_terms: D004622:Embryo, Mammalian / Q000528:radiation effects*; D005260:Female; D006801:Humans; D011247:Pregnancy; D011261:Pregnancy Trimester, First; D011295:Prenatal Care; D011839:Radiation, Ionizing; D011859:Radiography
vernacular_title: De frequentie van het gebruik van ioniserende stralen tijdens het begin van de zwangerschap