Likelihood and pseudo-likelihood methods for semiparametric joint models for a primary endpoint and longitudinal data. - Erning Li; Daowen Zhang; Marie Davidian (Comput. Stat. Data Anal., 2007)

Likelihood ratio tests of correlated multivariate samples. - Johan Lim; Erning Li; Shin-Jae Lee (J. Multivar. Anal., 2010)