the ability of the angiotensin antagonists 1-sar,8-ala-angiotensin ii ( saralasin ) and 1-sar,8-leu-angiotensin ii ( sarleusin ) and the bradykinin-potentiating peptide b ( bpp ) to modify the twitch-enhancing effect of angiotensin ii , bradykinin , and substance p , was studied in the isolated field-stimulated guinea-pig vas deferens .
C0036193
saralasin
C0003009
angiotensin ii