中国科学院数学与系统科学研究院期刊网
AMS
Additive Hazards Regression under Generalized Case-Cohort Sampling
Ji Chang YU, Yue Yong SHI, Qing Long YANG, Yan Yan LIU
Acta Mathematica Sinica . 2014, (2): 251 -260 .  DOI: 10.1007/s10114-014-3180-x