Otitis media in Alaskan Eskimo children. Prospective evaluation of chemoprophylaxis.
D000413:Alaska; D000667:Ampicillin / Q000627:therapeutic use*; D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D007223:Infant; D004930:Inuit; D008297:Male; D010033:Otitis Media / Q000188:drug therapy / Q000517:prevention & control*; D010919:Placebos; D012008:Recurrence
D010919:Placebos; D000667:Ampicillin