Erectile Dysfunction is Predictive Symptom for Poor Semen in Newlywed Men in Japan oleh Akira Tsujimura, MD, PhD, Ippei Hiramatsu, MD, Yuki Nagashima, MD, Keisuke Ishikawa, MD, Yuka Uesaka, MD, Taiji Nozaki, MD, PhD, Tatsuya Ogishima, MD, PhD, Masato Shirai, MD, PhD, Kazutaka Terai, MD, PhD, Kazuhiro Kobayashi, MD, PhD, Shigeo Horie, MD, PhD