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机译:Vitamin A and D intake in pregnancy, infant supplementation, and asthma development: the Norwegian Mother and Child Cohort
Norwegian Inst Publ Hlth, Dept Exposure & Risk Assessment, Oslo, Norway;
Norwegian Inst Publ Hlth, Div Mental & Phys Hlth, Oslo, Norway;
Univ Bergen, Dept Clin Sci, Bergen, NorwayNIEHS, Epidemiol Branch, NIH, US Dept HHS, POB 12233, Res Triangle Pk, NC 27709 USA;
food-frequency questionnaire; dietary supplements; pregnant women; infants; vitamin A; vitamin D; pediatric asthma; prescriptions; Norwegian Prescription Database; Norwegian Mother and Child Cohort;