Multivariate exponential survival trees and their application to tooth prognosis. - Juanjuan Fan; Martha E. Nunn; Xiaogang Su (Comput. Stat. Data Anal., 2009)

Bayesian survival trees for clustered observations, applied to tooth prognosis. - Richard A. Levine; Juanjuan Fan; Xiaogang Su; Martha E. Nunn (Stat. Anal. Data Min., 2014)