@article{articled6f03c99, title = {The effect of porphyrins on normal and transformed mouse cell lines in the presence of visible light}, author = {Tita, S. P. S. and Perussi, Janice Rodrigues}, year = {2001}, doi = {10.1590/s0100-879x2001001000014}, journal = {Brazilian Journal of Medical and Biological Research} }