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Gaulton A, Bellis LJ, Bento AP, Chambers J, Davies M, Hersey A, Light Y, McGlinchey S, Michalovich D, Al-Lazikani B, Overington JP. (2012). „ChEMBL: a large-scale bioactivity database for drug discovery”. Nucleic Acids Res40 (Database issue): D1100-7. DOI:10.1093/nar/gkr777. PMID21948594.edit
Weinberg, D. S.; Inturrisi, C. E.; Reidenberg, B.; Moulin, D. E.; Nip, T. J.; Wallenstein, S.; Houde, R. W.; Foley, K. M. (1988). „Sublingual absorption of selected opioid analgesics”. Clinical pharmacology and therapeutics44 (3): 335–342. PMID2458208.edit
Eriksen, J.; Jensen, N. H.; Kamp-Jensen, M.; Bjarnø, H.; Friis, P.; Brewster, D. (1989). „The systemic availability of buprenorphine administered by nasal spray”. The Journal of pharmacy and pharmacology41 (11): 803–805. PMID2576057.edit