Mass spectrometry fingerprinting of media used for in vitro production of bovine embryos - Ferreira, Christina Ramires; Souza, Gustavo Henrique Martins Ferreira; Riccio, Maria Francesca; Catharino, Rodrigo Ramos; Pontes, José Henrique Fortes; Basso, Andréa Cristina; Ereno Júnior, José Carlos; Perecin, Felipe; Eberlin, Marcos Nogueira (Rapid Communications in Mass Spectrometry, 2009)