Determination of cyclophosphamide enantiomers in plasma by LC-MS/MS: application to pharmacokinetics in breast cancer and lupus nephritis patients - Silva, Carolina de Miranda; Fernandes, Bruno José Dumêt; Pereira, Maria Paula Marques; Silva, Lucienir Maria da; Donadi, Eduardo Antônio; Matthes, Ângelo do Carmo Silva; Andrade, Jurandyr Moreira de; Lanchote, Vera Lúcia (Chirality, 2009)