Alpha and beta receptors.
D004837:Epinephrine / Q000494:pharmacology; D006145:Guanethidine / Q000494:pharmacology; D006801:Humans; D007545:Isoproterenol / Q000494:pharmacology; D009638:Norepinephrine / Q000494:pharmacology; D011941:Receptors, Adrenergic / Q000187:drug effects; D012110:Reserpine / Q000494:pharmacology
D011941:Receptors, Adrenergic; D012110:Reserpine; D007545:Isoproterenol; D009638:Norepinephrine; D004837:Epinephrine; D006145:Guanethidine