TY - CONF AU - Mark J Mendell AU - William J Fisk AU - Marty R Petersen AU - Maxia Dong AU - Cynthia J Hines AU - David Faulkner AU - James A Deddens AU - Avima M Ruder AU - Douglas P Sullivan AU - Mark F Boeniger AU - LTD Construction Research Communications BT - Proceedings of Indoor Air’99 CY - London, England LA - eng PB - Construction Research Communications, Ltd., London PP - London, England PY - 1999 SP - 974 EP - 975 T2 - Proceedings of Indoor Air’99 T3 - Proceedings of Indoor Air’99 TI - Enhanced Particle Filtration in a Non-problem Office Building: Summary of Findings from a Double Blind Crossover Intervention Study VL - 4 ER -