title: Standardized training for resident doctors in China.
authors.affiliation: Qingdao University Medical College, Qingdao, Shandong 266071, China;
authors.forename: Tonglin
authors.initials: T
authors.lastname: Sun
authors.affiliation: The Affiliated Hospital of Qingdao University Medical College, Qingdao, Shandong 266003, China.
authors.forename: Yanqing
authors.initials: Y
authors.lastname: Wang