A Web-Based Survey of Erection Hardness Score and Its Relationship to Aging, Sexual Behavior, Confidence, and Risk Factors in Japan

por Kimura, Masaki, Shimura, Satoru, Tai, Toshihiro, Kobayashi, Hideyuki, Baba, Shiro, Kano, Munehide, Nagao, Koichi
Publicado 2013