A simple and inexpensive method for determining the effective ventilation rate in a negatively pressurized room using airborne particles as a tracer.
by Pavelchak N, Palmer W, DePersis RP, London MA.
Affliation: New York State Department of Health, Troy, USA.
Journal: Appl Occup Environ Hyg. 17(10):704-10
Publication Date: Friday, October 04, 2002
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Prevalence rates of refractive errors in Sumatra, Indonesia.
by Saw SM, Gazzard G, Koh D, Farook M, Widjaja D, Lee J, Tan DT.
Affliation: Department of Community, Occupational, and Family Medicine, National University of Singapore, Singapore, Republic of Singapore. cofsawsm@nus.edu.sg
Journal: Invest Ophthalmol Vis Sci. 43(10):3174-80
Publication Date: Tuesday, October 01, 2002
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