"Identification and quantification of alpha-methylfentanyl in post mortem specimens" (1982). Journal of Analytical Toxicology6 (3): 139–142. doi:10.1093/jat/6.3.139. PMID 7109557.
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"Identification and quantification of alpha-methylfentanyl in post mortem specimens" (1982). Journal of Analytical Toxicology6 (3): 139–142. doi:10.1093/jat/6.3.139. PMID 7109557.