Effect of hormonal supplementation periods and in vitro maturation media on developmental competence of pig oocytes - Lima, Alecssandra Sobreira de; Marques, Mariana Groke; Nascimento, Anibal Ballarotti; Assumpção, Mayra Elena Ortiz D'Ávila; Visintin, Jose Antonio (Acta Scientiae Veterinariae, 2010)