Effects of folic acid and zinc sulfate on male factor subfertility: a double-blind, randomized, placebo-controlled trial

Autor: Wong, Wai Yee, Merkus, Hans M.W.M, Thomas, Chris M.G, Menkveld, Roelof, Zielhuis, Gerhard A, Steegers-Theunissen, Régine P.M *
Zdroj: In Fertility and Sterility 2002 77(3):491-498
Databáze: ScienceDirect