Kiso, Y Syndyphalin, an enkephalin-like peptide with prolonged subcutaneous analgesic activity. [electronic resource] - European journal of pharmacology May 1981 - 347-8 p. digital Publication Type: Journal Article ISSN: 0014-2999 Standard No.: 10.1016/0014-2999(81)90039-x doi Subjects--Topical Terms: Analgesics--administration & dosageAnimalsEnkephalinsInjections, SubcutaneousMiceOligopeptides--administration & dosage