Shotgun proteomics analysis of the various stages of osteoblasts differentiation of rat bone marrow mesenchymal stem cells - Paula, Leonardo Barcelos de; Oliveira, Fabíola Singaretti de; Gimenez, Marcela; Laure, Hélen Julie; Rosa, Adalberto Luiz; Rosa, José César (Congresso Brasileiro de Espectrometria de Massas (BrMass), 2009)