Changes in the perceived quality of primary care in Shanghai and Shenzhen, China: a difference-in-difference analysis

por Wei, Xiaolin, Li, Haitao, Yang, Nan, Wong, Samuel YS, Chong, Marc CS, Shi, Leiyu, Wong, Martin CS, Xu, Jianguang, Zhang, Dan, Tang, Jinling, Li, Donald KT, Meng, Qingyue, Griffiths, Sian M
Publicado 2015