@article{article09a211db,
title   = {Development and validation of a HPLC and a UV derivative spectrophotometric methods for determination of hydroquinone in gel and cream preparations},
author = {Garcia, Pedro López and Santoro, Maria Inês Rocha Miritello and Kedor-Hackmann, Erika Rosa Maria and Singh, Anil Kumar},
year = {2005},
doi = {10.1016/j.jpba.2005.04.016},
journal   = {Journal of Pharmaceutical and Biomedical Analysis}
}