【序号】：1
【作者】：Hernan MA, Cole SR, Margolick J, Cohen M, Robins JM
【题名】：Structural accelerated failure time models for survival analysis in studies with time-varying treatments
【期刊】：Pharmacoepidemiology and Drug Safety
【年、卷、期、起止页码】： 2005;14:477-491
【全文链接】：  http://onlinelibrary.wiley.com/doi/10.1002/pds.1064/abstract;jsessionid=DC00BA4781E8B3E8815783BC3A4C92E8.d04t02

【序号】：2
【作者】：Greenland S, Lanes S, Jara M
【题名】：Estimating effects from randomized trials with discontinuations: the need for intent-to-treat design and g-estimation
【期刊】：Clinical Trials
【年、卷、期、起止页码】：2008;5:5-13
【全文链接】：http://ctj.sagepub.com/content/5/1/5.long