Varicose veins: now you seem them, now you don't.
D000328:Adult; D000368:Aged; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D012307:Risk Factors; D015911:Sclerotherapy; D014481:United States / Q000453:epidemiology; D014648:Varicose Veins / Q000145:classification / Q000453:epidemiology / Q000628:therapy*