Analysis of trace elements in normal, benign and malignant breast tissues measured by total reflection X-Ray fluorescence - Silva, M. P.; Zucchi, Orghêda Luiza Araujo Domingues; Costa, J. J. G.; Poletti, Martin Eduardo (Reunião Anual de Usuários do Laboratório de Luz Síncroton(LNLS), 2009)