@article{d291f6d282544d2c80c477a84ea085d1,
title = "Likelihood-based methods for evaluating principal surrogacy in augmented vaccine trials",
keywords = "Counterfactual, missing at random, missing covariate, potential outcome, pseudo-likelihood, semiparametric likelihood, surrogate endpoint",
author = "Wei Liu and Bo Zhang and Hui Zhang and Zhiwei Zhang",
note = "Publisher Copyright: {\textcopyright} The Author(s) 2014.",
year = "2017",
month = apr,
day = "1",
doi = "10.1177/0962280214565833",
language = "English",
volume = "26",
pages = "984--996",
journal = "Statistical Methods in Medical Research",
issn = "0962-2802",
number = "2",
}