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American Journal of Infection Control|December 16, 2014
Selecting models for a respiratory protection program: what can we learn from the scientific literature?Ronald E Shaffer, Larry L JanssenJournal of Occupational and Environmental Hygiene|July 27, 2007
Workplace protection factors for an N95 filtering facepiece respiratorLarry L Janssen, Thomas J Nelson, Karen T CutaAIHA Journal : a Journal for the Science of Occupational and Environmental Health and Safety|February 7, 2003
Comparison of three commercially available fit-test methodsLarry L Janssen, D Michael Luinenburg, Haskell E Mullins, et al.Pageof 1