Understanding and identifying immortal-time bias in surgical health services research: An example using surgical resection of stage IV breast cancer.

Jackson, B.E., Greenup, R.A., Strassle, P.D., Deal, A.M., Baggett, C.D., Lund, J.L., & Reeder-Hayes, K.E. (2021). Understanding and identifying immortal-time bias in surgical health services research: An example using surgical resection of stage IV breast cancer. Surgical Oncology. 37, 101539. https://doi.org/10.1016/j.suronc.2021.101539