Effects of gonadotropin-exposed medium with high concentrations of progesterone and estradiol-17b on in vitro maturation of canine oocytes - Vannucchi, Camila Infantosi; Faustino, Marcelo; Marques, Mariana Groke; Nichi, Marcilio; Assumpção, Mayra Elena Ortiz D'Ávila; Visintin, Jose Antonio (In Vitro Cellular and Developmental Biology - Animal, 2009)