@article{article915ddd19,
title   = {Optical absorption and fluorescence spectroscopy studies of ground state melanin cationic porphyrins complexes},
author = {Ito, Amando S. and Azzellini, Gianluca Camillo and Silva, S C and Serra, O and Szabo, A G},
year = {1992},
doi = {10.1016/0301-4622(92)87025-e},
journal   = {Biophysical Chemistry}
}