unmeasured confounders

Streeter, A. J., Rodgers, L. R., Hamilton, F., Masoli, J. A., Ble, A., Hamilton, W. T., & Henley, W. E. (2022). Influenza vaccination reduced myocardial infarctions in UK older adults: a prior event rate ratio study. J Clin Epidemiol. http://doi.org/10.1016/j.jclinepi.2022.06.018