Inscreva-se já.

The present study evaluated the efficacy of disposable surgical masks as a microbial barrier with 95% of Bacteria Filtration Efficacy (BFE) according to the wearing time (1, 2, 4 and 6 hours). The masks showed a decrease in efficacy after a 4-hour wearing time.

Download (PDF, 46KB)



Ficou interessado? Conheça nossos cursos MBA's e Express