@article{article012b819d,
title   = {Iontophoretic delivery of 5-aminolevulinie acid (ALA): effect of pH},
author = {Lopez, Renata Fonseca Vianna and Bentley, Maria Vitória Lopes Badra and Delgado-Charro, M. Begoña and Guy, Richard H.},
year = {2001},
journal   = {Pharmaceutical Research}
}