pubmed-article:3147536 | pubmed:abstractText | In the distally-pedicled radial island flap a reverse venous flow was observed. In 20 cadaver extremities the veins of the lower arms were perfused and dissected and the island flaps elevated. The 3 venous systems are described here according to the number, site and shape of the valves and the venous flow from the flap is also discussed. | lld:pubmed |