Effect of culture system for the production of free radicals during in vitro maturation of oocytes from bitches at anestrus: pilot study - Buttler, E. [UNESP]; Savi, P. [UNESP]; Padilha-Nakaghi, L. [UNESP]; Apparicio, M. [UNESP]; Vicente, W. [UNESP] (Wiley-Blackwell, 2015)