The association between family doctor contract services and the health of middle-aged and older people in China: an instrumental variables analysis
Borders, T. F., Rohrer, J. E., Hilsenrath, P. E. & Ward, M. M. Why rural residents migrate for family physician care. J. Rural Health 16(4), 337–348. https://doi.org/10.1111/j.1748-0361.2000.tb00484.x (2000). Article CAS PubMed Google Scholar Velasco Gallardo, M., Zentner, A. & Busse, R. The effects of gatekeeping: a systematic review of the literature. Scand. J. Prim. Health … Read more