APA (7th ed.) Citation

Ma, H., Sheng, L., Chen, F., Yuan, C., Dai, Z., & Pan, P. (2020). Cortical thickness in chronic pain: A protocol for systematic review and meta-analysis. Medicine (Baltimore), 99(31), e21499. https://doi.org/10.1097/MD.0000000000021499

Chicago Style (17th ed.) Citation

Ma, HaiRong, LiQin Sheng, Fei Chen, CongHu Yuan, ZhenYu Dai, and PingLei Pan. "Cortical Thickness in Chronic Pain: A Protocol for Systematic Review and Meta-analysis." Medicine (Baltimore) 99, no. 31 (2020): e21499. https://doi.org/10.1097/MD.0000000000021499.

MLA (9th ed.) Citation

Ma, HaiRong, et al. "Cortical Thickness in Chronic Pain: A Protocol for Systematic Review and Meta-analysis." Medicine (Baltimore), vol. 99, no. 31, 2020, p. e21499, https://doi.org/10.1097/MD.0000000000021499.