Adenosine receptors on heart muscle.
D000818:Animals; D002417:Cattle; D009206:Myocardium / Q000378:metabolism*; D011956:Receptors, Cell Surface / Q000378:metabolism*; D011983:Receptors, Purinergic; D012377:Rodentia
D011956:Receptors, Cell Surface; D011983:Receptors, Purinergic