Interpreting Urine Drug Tests
Prevalence of Morphine Metabolism to Hydromorphone in Chronic Pain Patients Treated with Morphine152
- Wasan, Ajay D. MD, MSc
- Michna, E
- Janfaza, D
- Teter, C. PharmD
- Greenfield, Shelly MD, MPH
- Jamison, R N
Pain Medicine 8(1):p 112-113, January-February 2007.

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