%0 Journal Article %T Comparison of the Effect of Eight Weeks of Water-Based Versus Land-Based Cycling on Serum Levels of Testosterone and IGF-1 in Elderly Men %A Shafei, Abolfazl %A Fathei, Mehrdad %A Mosaferi Ziaaldini, Mohammad %J Gene, Cell and Tissue %@ 2345-6833 %D 2020