Zhao X, Qiao D, Yang C, et al. Whole genome sequence analysis of pulmonary function and COPD in 19,996 multi-ethnic participants. Nat Commun. 2020;11(1):5182. doi:10.1038/s41467-020-18334-7

Oelsner EC, Krishnaswamy A, Balte PP, et al. Collaborative Cohort of Cohorts for COVID-19 Research (C4R) Study: Study Design. Am J Epidemiol. 2022;191(7):1153-1173. doi:10.1093/aje/kwac032