APA (7th ed.) Citation

Sun, Y., Wu, Y., Fan, S., Dal Santo, T., Li, L., Jiang, X., . . . Thombs, B. D. (2023). Comparison of mental health symptoms before and during the covid-19 pandemic: Evidence from a systematic review and meta-analysis of 134 cohorts. BMJ (Online), 380, e074224. https://doi.org/10.1136/bmj-2022-074224

Chicago Style (17th ed.) Citation

Sun, Ying, et al. "Comparison of Mental Health Symptoms Before and During the Covid-19 Pandemic: Evidence from a Systematic Review and Meta-analysis of 134 Cohorts." BMJ (Online) 380 (2023): e074224. https://doi.org/10.1136/bmj-2022-074224.

MLA (9th ed.) Citation

Sun, Ying, et al. "Comparison of Mental Health Symptoms Before and During the Covid-19 Pandemic: Evidence from a Systematic Review and Meta-analysis of 134 Cohorts." BMJ (Online), vol. 380, 2023, p. e074224, https://doi.org/10.1136/bmj-2022-074224.