https://commons.und.edu/theses/8665/
"Histamine Receptors And Cyclic-Amp Levels In Rabbit Coronary Arteries." by Dale Arthur Schuschke
Histamine is known to cause an H$\sb 1$-receptor mediated vasoconstriction and an H$\sb2$-receptor mediated vasodilation in the coronary vasculature of the...
histamine receptorscyclic ampcoronary arterieslevelsrabbit