Larry L Janssen

Comparison of three commercially available fit-test methods.

Larry L Janssen, D Michael Luinenburg, Haskell E Mullins, 2002, AIHA journal : a journal for the science of occupational and environmental health and safety.

Workplace Protection Factors for an N95 Filtering Facepiece Respirator

Larry L Janssen, Thomas J Nelson, Karen T Cuta, 2007, Journal of occupational and environmental hygiene.