Hemorrhoids, varicose veins and deep vein thrombosis: epidemiologic features and suggested causative factors.
D000349:Africa; D001208:Asia; D003248:Constipation / Q000150:complications; D003466:Cultural Characteristics; D005247:Feeding Behavior; D005260:Female; D006484:Hemorrhoids / Q000453:epidemiology* / Q000209:etiology; D006801:Humans; D008019:Life Style; D008297:Male; D013924:Thrombophlebitis / Q000453:epidemiology* / Q000209:etiology; D014648:Varicose Veins / Q000453:epidemiology* / Q000209:etiology