Dobbs, H E Uptake of etorphine and dihydromorphine after sublingual and intramuscular administration. [electronic resource] - European journal of pharmacology Sep 1969 - 328-32 p. digital Publication Type: Journal Article ISSN: 0014-2999 Standard No.: 10.1016/0014-2999(69)90100-9 doi Subjects--Topical Terms: AbsorptionAnalgesics--administration & dosageAnimalsDogsInjections, IntramuscularInjections, IntravenousMorphinans--administration & dosageMouth MucosaTritium