Varicose veins
Автор:
Jesse Russell,Ronald Cohn, издатель:
"VSD", ISBN:
978-5-5107-8190-8
High Quality Content by WIKIPEDIA articles! Varicose veins are veins that have become enlarged and tortuous. The term commonly refers to the veins on the leg, although varicose veins can occur elsewhere. Veins have leaflet valves to prevent blood from flow
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