APA (7th ed.) Citation

Xu, J., Mills, A., & Powell-Jackson, T. (2020, August). Effectiveness of primary care gatekeeping: Difference-in-differences evaluation of a pilot scheme in China. BMJ Global Health.

Chicago Style (17th ed.) Citation

Xu, Jin, Anne Mills, and Timothy Powell-Jackson. "Effectiveness of Primary Care Gatekeeping: Difference-in-differences Evaluation of a Pilot Scheme in China." BMJ Global Health Aug. 2020.

MLA (9th ed.) Citation

Xu, Jin, et al. "Effectiveness of Primary Care Gatekeeping: Difference-in-differences Evaluation of a Pilot Scheme in China." BMJ Global Health, Aug. 2020.