APA (7th ed.) Citation

Huang, K., Liang, F., Yang, X., Liu, F., Li, J., Xiao, Q., . . . Gu, D. (2019). Long term exposure to ambient fine particulate matter and incidence of stroke: Prospective cohort study from the China-PAR project. BMJ (Online), 367, l6720. https://doi.org/10.1136/bmj.l6720

Chicago Style (17th ed.) Citation

Huang, Keyong, et al. "Long Term Exposure to Ambient Fine Particulate Matter and Incidence of Stroke: Prospective Cohort Study from the China-PAR Project." BMJ (Online) 367 (2019): l6720. https://doi.org/10.1136/bmj.l6720.

MLA (9th ed.) Citation

Huang, Keyong, et al. "Long Term Exposure to Ambient Fine Particulate Matter and Incidence of Stroke: Prospective Cohort Study from the China-PAR Project." BMJ (Online), vol. 367, 2019, p. l6720, https://doi.org/10.1136/bmj.l6720.