the vasodepressor action of intravenously administered human salivary kallikrein in the anaesthetized dog was very markedly inhibited by the intravenous administration of doses of various analgesic-antipyretic drugs which only partially antagonized the responses to kallidin and bradykinin and which left the vasodepressor responses to histamine , acetylcholine and 5-hydroxytryptamine unaffected .
C0022474
kallidin
C0006100
bradykinin