69 Ohara S, Kato M, Asaka M, Toyota T. Studies of 13C urea brea th test for diagnosis of Helicobacter pylori infection in Japan.

• 68孙涛；叶剑雄；马桂香；崔立红；刘超群；浦江；付山峰；江骥.；13C-尿素呼气试验诊断胃幽门螺杆菌感染