Torres-Pérez, Mónica I., Braulio D. Jiménez-Vélez, Imar Mansilla-Rivera, and Carlos J. Rodríguez-Sierra. 2010. “Effect of Three Extraction Techniques on Submitochondrial Particle and Microtox Bioassays for Airborne Particulate Matter”. Puerto Rico Health Sciences Journal 24 (1). https://prhsj.rcm.upr.edu/index.php/prhsj/article/view/406.