@article{akula_p.k._2018,  title={Effect of pH on weakly acidic and basic model drugs and determination of their <i>ex vivo</i> transdermal permeation routes},  volume={54},  ISSN={1984-8250},  url={https://doi.org/10.1590/s2175-97902018000200070},  DOI={10.1590/s2175-97902018000200070},  number={2},  journal={Brazilian Journal of Pharmaceutical Sciences},  publisher={Universidade de São Paulo, Faculdade de Ciências Farmacêuticas},  author={Akula, Pranitha and P.K., Lakshmi},  year={2018},  pages={e00070} }