title: High roughage diet and surgical diseases in Afghanistan.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D001064:Appendicitis / Q000209:etiology; D002648:Child; D002764:Cholecystitis / Q000209:etiology; D004043:Dietary Fiber / Q000009:adverse effects*; D005260:Female; D006484:Hemorrhoids / Q000209:etiology; D006801:Humans; D007415:Intestinal Obstruction / Q000209:etiology; D008297:Male; D008875:Middle Aged