@article{articlec6927afc,
title   = {Effect of caffeine citrate and heparine on postthawed motility and on acrosomal cap of buffalo bull spermatozoa frozen in different diluents assay for in vitro fertilization technique},
author = {Barnabé, Valquíria Hyppólito and Barnabe, Renato Campanarut and Baruselli, Pietro Sampaio},
year = {1996},
journal   = {Bubalus bubalis}
}