@article{article313c9abe,
title   = {Evaluation of extraction methods for progesterone determination in rabbit (Oryctolagus cuniculus) feces by radioimmunoassay},
author = {Korndorfer, C M and Meirelles, Cyro Ferreira and Bueno, I. C. S. and Abdalla, Adibe Luiz},
year = {1998},
journal   = {Brazilian Journal of Veterinary Research and Animal Science}
}