FisherLD, LinDY, Time-dependent covariates in the Cox proportional-hazards regression model. Annu Rev Public Health 1999;20;145–157.10.1146/annurev.publhealth.20.1.14510352854)| false
MoolgavkarSH, ChangET, WatsonHN, LauEC. An assessment of the Cox proportional hazards regression model for epidemiologic studies. Risk Anal2018;38:777–794.
MoolgavkarSH, ChangET, WatsonHN, LauEC. An assessment of the Cox proportional hazards regression model for epidemiologic studies. Risk Anal 2018;38:777–794.2916899110.1111/risa.12865)| false
National Cancer Institute. Surveillance, Epidemiology, and End Results. Radiation/Chemotherapy Databases (1975–2016). Accessed July 6, 2020. Available at:https://seer.cancer.gov/data/treatment.html
National Cancer Institute. Surveillance, Epidemiology, and End Results. Radiation/Chemotherapy Databases (1975–2016). Accessed July 6, 2020. Available at:https://seer.cancer.gov/data/treatment.html)| false