Zhang, F., Zhou, H., Ding, S., Zhang, D., Lian, D., Chen, X., & Wang, C. (2020). Efficacy and safety of acupuncture for recurrent aphthous stomatitis: A systematic review protocol. BMJ Open.

Zhang, Feng, Hao Zhou, Songyi Ding, Da Zhang, Daoshi Lian, Xingliang Chen, و Chao Wang. "Efficacy and Safety of Acupuncture for Recurrent Aphthous Stomatitis: A Systematic Review Protocol." BMJ Open 2020.

Zhang, Feng, et al. "Efficacy and Safety of Acupuncture for Recurrent Aphthous Stomatitis: A Systematic Review Protocol." BMJ Open 2020.