APA (7th ed.) Citation

Xu, H., Chen, W., & Sun, J. Association between urinary exposures and the risk of chronic obstructive pulmonary disease in smokers: Results from NHANES 2007–2016. Frontiers Media S.A.

Chicago Style (17th ed.) Citation

Xu, Hongli, Weiwei Chen, and Jinjun Sun. Association Between Urinary Exposures and the Risk of Chronic Obstructive Pulmonary Disease in Smokers: Results from NHANES 2007–2016. Frontiers Media S.A.

MLA (9th ed.) Citation

Xu, Hongli, et al. Association Between Urinary Exposures and the Risk of Chronic Obstructive Pulmonary Disease in Smokers: Results from NHANES 2007–2016. Frontiers Media S.A.