TY - GEN AU - Xue,Xiaonan AU - Xie,Xianhong AU - Gunter,Marc AU - Rohan,Thomas E AU - Wassertheil-Smoller,Sylvia AU - Ho,Gloria Y F AU - Cirillo,Dominic AU - Yu,Herbert AU - Strickler,Howard D TI - Testing the proportional hazards assumption in case-cohort analysis SN - 1471-2288 PY - 2013///0911 KW - Aged KW - Cohort Studies KW - Female KW - Humans KW - Kaplan-Meier Estimate KW - Likelihood Functions KW - Middle Aged KW - Proportional Hazards Models KW - Time Factors N1 - Publication Type: Journal Article UR - https://doi.org/10.1186/1471-2288-13-88 ER -