@article{articlef5b99f75,
title   = {Free radical hypothesis for porphyrias characterized by 5-aminolevulinic acid overload},
author = {Bechara, Etelvino José Henriques},
year = {1993},
doi = {10.1016/0891-5849(93)90357-z},
journal   = {Free Radical Biology and Medicine}
}