baroreflex response curves were constructed after intracisternal administration of saline vehicle , after intracisternal infusion of the relatively selective mu and delta opioid receptor agonists d-ala2-mephe4-gly ( ol ) 5 enkephalin ( dago ) , or d-ala2-d-leu5 enkephalin ( dadle ) respectively , and again after i.v . naloxone .
C0525773
dago
C0014298
enkephalin