Programmed cell death in cumulus cells during oocyte maturation in different cumulus oocyte-complexes categories - Emanuelli, I. P.; Carambula, S F; Puelker, R. Z.; Merighe, Giovana Krempel Fonseca; Leal, Cláudia Lima Verde; Meirelles, Flávio Vieira (International Congress on Animal Reproduction, 2004)