https://www.selleckchem.com/pr....oducts/carfilzomib-p
OBJECTIVES Spit masks are used by law enforcement officers and healthcare providers to protect themselves from the spread of communicable disease by subjects who pose a potential risk of biological exposure by spitting. Little research is available regarding the safety of these masks. However, concerns surround the ability of subjects to properly ventilate while wearing these masks as there are several anecdotal incidents of asphyxiation. A recent pilot study performed by our group showed no significant changes in ventilatory