Adams, E. H., & Gfroerer, J. (1997). Risk of cocaine use and dependence. Substance use & misuse, 32(12/13), 1781-1786.
Cita Chicago Style (17a ed.)Adams, E. H., y J. Gfroerer. "Risk of Cocaine Use and Dependence." Substance Use & Misuse 32, no. 12/13 (1997): 1781-1786.
Cita MLA (9a ed.)Adams, E. H., y J. Gfroerer. "Risk of Cocaine Use and Dependence." Substance Use & Misuse, vol. 32, no. 12/13, 1997, pp. 1781-1786.
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