title: On pre- or postnatal diagnostic X-rays as a risk factor for childhood leukaemia.
authors.forename: Richard
authors.initials: R
authors.lastname: Wakeford
mesh_terms: D016022:Case-Control Studies; D002648:Child; D015331:Cohort Studies; D005260:Female; D005333:Fetus / Q000528:radiation effects*; D006801:Humans; D007953:Leukemia, Radiation-Induced / Q000209:etiology*; D018811:Maternal Exposure; D009381:Neoplasms, Radiation-Induced / Q000209:etiology*; D011247:Pregnancy; D011859:Radiography / Q000009:adverse effects*; D012107:Research Design; D012306:Risk; D012307:Risk Factors; D014965:X-Rays