Affiliation: | Takao Tsuzuki,Hiroyuki Okada,Yoshiro Kawahara,Junichiro Nasu,Kazuhide Yamamoto,Department of Gastroenterology and Hepatology,Okayama University Graduate School of Medicine,Dentistry,and Pharmaceutical Sciences,Okayama 700-8558,Japan Ryuta Takenaka,Department of Internal Medicine,Tsuyama Central Hospital,Okayama 708-0841,Japan Hidehiko Ishioka,Ishioka clinic,Hiroshima 721-0926,Japan Akiko Fujiwara,Okayama Saiseikai General Hospital,Okayama 700-8511,Japan Fumiya Yoshinaga,Depar... |