@article{articled1a9ec2a,
title   = {Effect of concentration and exposure period to butyrolactone I on meiosis progression in bovine oocytes},
author = {Adona, P. R. and Leal, Cláudia Lima Verde},
year = {2006},
doi = {10.1590/s0102-09352006000300011},
journal   = {Arquivo Brasileiro de Medicina Veterinária e Zootecnia}
}