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Home > October 1993 - Volume 35 - Issue 10 > Drug Use: Association vs Causation

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Ryan James MD MPH; Zwerling, Craig MD, PhD, MPH; Jones, Michael PhD

Journal of Occupational Medicine: October 1993 - Volume 35 - Issue 10 - ppg 984-992

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Drug Use: Association vs Causation

Journal of Occupational and Environmental Medicine35(10):984-992, October 1993.

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