Alcohol and smoking affect risk of uncomplicated colonic diverticulosis in Japan.

by Naoyoshi Nagata, Ryota Niikura, Takuro Shimbo, Yoshihiro Kishida, Katsunori Sekine, Shohei Tanaka, Tomonori Aoki, Kazuhiro Watanabe, Junichi Akiyama, Mikio Yanase, Toshiyuki Itoh, Masashi Mizokami, Naomi Uemura
Published 2013-01-01

Prevalence of Anal Human Papillomavirus Infection and Risk Factors among HIV-positive Patients in Tokyo, Japan.

by Naoyoshi Nagata, Kazuhiro Watanabe, Takeshi Nishijima, Kenichi Tadokoro, Koji Watanabe, Takuro Shimbo, Ryota Niikura, Katsunori Sekine, Junichi Akiyama, Katsuji Teruya, Hiroyuki Gatanaga, Yoshimi Kikuchi, Naomi Uemura, Shinichi Oka
Published 2015-01-01

Adverse Events during Bowel Preparation and Colonoscopy in Patients with Acute Lower Gastrointestinal Bleeding Compared with Elective Non-Gastrointestinal Bleeding.

by Ryota Niikura, Naoyoshi Nagata, Takuro Shimbo, Toshiyuki Sakurai, Tomonori Aoki, Shiori Moriyasu, Katsunori Sekine, Hidetaka Okubo, Kazuhiro Watanabe, Chizu Yokoi, Atsuo Yamada, Yoshihiro Hirata, Kazuhiko Koike, Junichi Akiyama, Naomi Uemura
Published 2015-01-01

Effect of body mass index and intra-abdominal fat measured by computed tomography on the risk of bowel symptoms.

by Naoyoshi Nagata, Kayo Sakamoto, Tomohiro Arai, Ryota Niikura, Takuro Shimbo, Masafumi Shinozaki, Noriko Ihana, Katsunori Sekine, Hidetaka Okubo, Kazuhiro Watanabe, Toshiyuki Sakurai, Chizu Yokoi, Mikio Yanase, Junichi Akiyama, Naomi Uemura, Mitsuhiko Noda
Published 2015-01-01

HIV-1 infection, but not syphilis or HBV infection, is a strong risk factor for anorectal condyloma in Asian population: A prospective colonoscopy screening study

by Takeshi Nishijima, Naoyoshi Nagata, Kazuhiro Watanabe, Katsunori Sekine, Shohei Tanaka, Yoshihiro Kishida, Tomonori Aoki, Yohei Hamada, Hirohisa Yazaki, Katsuji Teruya, Hiroyuki Gatanaga, Yoshimi Kikuchi, Toru Igari, Junichi Akiyama, Masashi Mizokami, Kazuma Fujimoto, Naomi Uemura, Shinichi Oka
Published 2015-08-01

Long-Term Trends in Esophageal Candidiasis Prevalence and Associated Risk Factors with or without HIV Infection: Lessons from an Endoscopic Study of 80,219 Patients.

by Yuta Takahashi, Naoyoshi Nagata, Takuro Shimbo, Takeshi Nishijima, Koji Watanabe, Tomonori Aoki, Katsunori Sekine, Hidetaka Okubo, Kazuhiro Watanabe, Toshiyuki Sakurai, Chizu Yokoi, Masao Kobayakawa, Hirohisa Yazaki, Katsuji Teruya, Hiroyuki Gatanaga, Yoshimi Kikuchi, Sohtaro Mine, Toru Igari, Yuko Takahashi, Akio Mimori, Shinichi Oka, Junichi Akiyama, Naomi Uemura
Published 2015-01-01