Spindle and chromosome configurations of in vitro-matured oocytes from polycystic ovary syndrome and ovulatory infertile women: a pilot study - Vieira, Rodolpho Cruz; Barcelos, Ionara Diniz Evangelista Santos; Ferreira, Elisa Melo; Martins, Wellington de Paula; Ferriani, Rui Alberto; Navarro, Paula Andrea de Albuquerque Salles (Journal of Assisted Reproduction and Genetics, 2011)