The natural history of severe asthma and influences of early risk factors: a population-based cohort study.

MLA

Chen, Wenjia, et al. “The Natural History of Severe Asthma and Influences of Early Risk Factors: A Population-Based Cohort Study.” Thorax, vol. 71, no. 3, Mar. 2016, pp. 267–75. EBSCOhost, https://doi.org/10.1136/thoraxjnl-2015-207530.

APA

Chen, W., Marra, C. A., Lynd, L. D., FitzGerald, J. M., Zafari, Z., & Sadatsafavi, M. (2016). The natural history of severe asthma and influences of early risk factors: a population-based cohort study. Thorax, 71(3), 267–275. https://doi.org/10.1136/thoraxjnl-2015-207530

Chicago

Chen, Wenjia, Carlo A Marra, Larry D Lynd, J Mark FitzGerald, Zafar Zafari, and Mohsen Sadatsafavi. 2016. “The Natural History of Severe Asthma and Influences of Early Risk Factors: A Population-Based Cohort Study.” Thorax 71 (3): 267–75. doi:10.1136/thoraxjnl-2015-207530.