Efficacy of sildenafil citrate 100 mg for 8 hours: Double-blind placebo-controlled trials in mild to moderate erectile dysfunctionChristopher P. Steidle,Andrew R. McCullough,Joel Kaufman,Evan R. Goldfischer,Brian Klee, Martin CarlsonJOURNAL OF SEXUAL MEDICINE(2008)引用 0|浏览5暂无评分AI 理解论文溯源树样例生成溯源树,研究论文发展脉络Chat Paper正在生成论文摘要