Measuring the fitted filtration efficiency of cloth masks, medical masks and respirators. - Tomkins, Amanda A.; Dulai, Gurleen; Dulai, Ranmeet; Rassenberg, Sarah; Lawless, Darren; Laengert, Scott; Rudman, Rebecca S.; Hasan, Shiblul; de Lannoy, Charles-Francois; Drouillard, Ken G.; Clase, Catherine M. (PLoS ONE, 2025)