Arasawa Soichi, Nakase Hiroshi, Ozaki Yoshinao, Uza Norimitsu, Matsuura Minoru, Chiba Tsutomu
Department of Gastroenterology and Hepatology, Graduate School of Medicine, Kyoto University, Japan.
Lancet. 2012 Dec 8;380(9858):2052. doi: 10.1016/S0140-6736(12)61377-4.