A transatlantic morbidity study.
D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D002675:Child, Preschool; D004739:England; D005260:Female; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D007494:Ireland; D008297:Male; D008875:Middle Aged; D009017:Morbidity; D009523:Newfoundland and Labrador; D011247:Pregnancy