Improvement of Cutaneous Microcirculation and Oxygen Supply in Patients with Chronic Venous Insufficiency by Orally Administered Extract of Red Vine Leaves AS 195: A Randomised, Double-Blind, Placebo-Controlled, Crossover Study - Kalus, U; Koscielny, J; Grigorov, A (Drugs in R & D, 2004)
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