Epidemiology of varicose veins.
D000328:Adult; D000368:Aged; D004534:Egypt; D004739:England; D005260:Female; D006801:Humans; D007194:India; D007557:Israel; D008297:Male; D008875:Middle Aged; D009512:New Guinea; D009520:New Zealand; D011114:Polynesia; D014481:United States; D014648:Varicose Veins / Q000453:epidemiology* / Q000209:etiology; D014852:Wales