High Prevalence of Multiple Human Papillomavirus Infection in Japanese Patients with Invasive Uterine Cervical Cancer. - Watari, Hidemichi; Michimata, Rie; Yasuda, Motoaki; Ishizu, Akihiro; Tomaru, Utano; Xiong, Ying; Hassan, Mohamed K.; Sakuragi, Noriaki (Pathobiology, 2011)