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Prescription drug abuse: a national survey of primary care physicians.

1: Center for Drug Safety and Effectiveness, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland2Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland.
2: Center for Drug Safety and Effectiveness, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland3Department of Mental Health, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland4Stefan P. Kruszewski, MD, and Associates, Harr.
3: Phoenix House Foundation, New York, New York.
4: Center for Drug Safety and Effectiveness, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland2Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland6Division of General Internal Medicine, Departme.