Evaluation of the cytotoxic effects of photodynamic therapy in two and three dimensions cultures of human breast cancer cells - Santos, Ancely F. dos; Terra, Letícia Ferreira; Mansano, Rosangela Aparecida Wailemann; Oliveira, Talita C; Stabelini, Tatiana C; Baptista, Maurício da Silva; Labriola, Leticia (Annual Meeting of the Brazilian Biochemistry and Molecular Biology Society (SBBq), 2013)