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Hussain, M.A., Schmidt, W.K. & Buehler, J.D. Intranasal Absorption of a Kappa Agonist Analgesic. Pharm Res 10, 1083–1086 (1993). https://doi.org/10.1023/A:1018987328143
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DOI: https://doi.org/10.1023/A:1018987328143