Keep up to date with the latest news and content from BMC Medical Education and BioMed Central.
Yuhai Zhang, Lei Shang, Rui Wang, Qinbo Zhao, Chanjuan Li, Yongyong Xu* and Haixia Su*
Corresponding authors: Yongyong Xu firstname.lastname@example.org - Haixia Su email@example.com
BMC Medical Education 2012, 12:117
These numbers are accesses on BioMed Central websites only, and an underestimate of total usage. More information
BioMed Central Ltd unless otherwise stated. Part of Springer Science+Business Media.