@article{articlef3161926,
title   = {A product-multinomial framework for categorical data analysis with missing responses},
author = {Poleto, Frederico Zanqueta and Singer, Júlio da Motta and Paulino, Carlos Daniel},
year = {2014},
doi = {10.1214/12-BJPS198},
journal   = {Brazilian Journal of Probability and Statistics}
}