Breastfeeding, body mass index, asthma and atopy in children.
D001249:Asthma / Q000453:epidemiology*; D015992:Body Mass Index; D001942:Breast Feeding / Q000453:epidemiology*; D002648:Child; D005260:Female; D006801:Humans; D006967:Hypersensitivity / Q000453:epidemiology*; D008297:Male; D011446:Prospective Studies; D012737:Sex Factors; D012907:Smoking; D012959:Socioeconomic Factors; D013997:Time Factors