Efficacy and safety of oral SK3530 for the treatment of erectile dysfunction in Korean men: a multicenter, randomized, double-blind, placebo-controlled, fixed dose, parallel group clinical trial
Paick, JS, Choi, HK, Kim, SC, Ahn, TY, Kim, JJ, Park, JK, Park, KS, Lee, SW, Kim, SW, Park, K, Jung, H, Park, NC
ASIAN JOURNAL OF ANDROLOGY, 2008