@inproceedings{inproceedings117e3cef,
title   = {Iontophoretic delivery of 5-aminolevulinic acid (ALA) and a series of ALA esters into and through the skin},
author = {Lopez, Renata Fonseca Vianna and Bentley, Maria Vitória Lopes Badra and Delgado-Charro, M. B. and Salomon, D. and van de Bergh, H. and Lange, N. and Guy, R. H.},
year = {2001},
booktitle   = {International Symposium on Controlled Release of Bioactive Materials}
}