TY  - RPRT
TI  - Quantitative fit-test method for powered air-purifying respirators.
AU  - P L Lowry
AU  - L D Wheat
AU  - J M Bustos
PY  - 1979
DO  - 10.1080/15298667991429615
UR  - https://pubmed.ncbi.nlm.nih.gov/474413/
ID  - 474413
ER  -