Παραπομπή APA

Comer, S. D., Sullivan, M. A., Whittington, R. A., Vosburg, S. K., & Kowalczyk, W. J. (2007). Relative abuse liability of prescription opioids compared to heroin in morphine-maintained heroin abusers.

Παραπομπή Chicago Style

Comer, Sandra D., Maria A. Sullivan, Robert A. Whittington, Suzanne K. Vosburg, και William J. Kowalczyk. Relative Abuse Liability of Prescription Opioids Compared to Heroin in Morphine-maintained Heroin Abusers. 2007.

Παραπομπή MLA

Comer, Sandra D., et al. Relative Abuse Liability of Prescription Opioids Compared to Heroin in Morphine-maintained Heroin Abusers. 2007.

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