Variation of bowel habit in two population samples.
D000293:Adolescent; D000328:Adult; D000368:Aged; D002400:Cathartics; D002648:Child; D003672:Defecation; D005194:Family Practice; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009787:Occupational Medicine; D013223:Statistics as Topic
D002400:Cathartics