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Rothman Nathaniel MD MPH; Ford, D. Patrick MD, MPH; Baser, Michael E. PhD; Hansen, John A. MD, MPH; O'Toole, Tara MD, MPH; Tockman, Melvyn S. MD, PhD; Strickland, Paul T. PhD
Journal of Occupational Medicine: November 1991 - p 1163-1167
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