Intervention

Mendell, Mark J, William J Fisk, Maxia Dong, Marty R Petersen, Cynthia J Hines, David Faulkner, James A Deddens, Avima M Ruder, Douglas P Sullivan, and Mark F Boeniger. "Enhanced particle filtration in a non-problem office environment: Preliminary results from a double-blind crossover intervention study." American Journal of Industrial Medicine Supplement 36.Supplement 1 (1999) 55–57.