In this paper, we introduce the use of the bootstrap as a means of addressing the problems of model selection in PM mortality time series studies.

Ridout, Hinde, and Demétrio (2001, Biometrics 57, 219-223) derived a score test for testing a zero-inflated Poisson (ZIP) regression model against zero-inflated negative binomial (ZINB) alternatives.

Simon N. Wood, Minimizing Model Fitting Objectives That Contain Spurious Local Minima by Bootstrap Restarting, Biometrics, Vol. 57, No. 1 (Mar., 2001), pp. 240-244 ...