Ascaris lumbricoides in Nova Scotia.
D000328:Adult; D000818:Animals; D001196:Ascariasis / Q000188:drug therapy / Q000453:epidemiology*; D001200:Ascaris / Q000302:isolation & purification; D002648:Child; D006801:Humans; D007411:Intestinal Diseases, Parasitic / Q000188:drug therapy / Q000453:epidemiology*; D009674:Nova Scotia