title: Alpha- and beta-adrenoceptor blockade by labetalol in human isolated arteries and veins.
mesh_terms: D000317:Adrenergic alpha-Antagonists; D000319:Adrenergic beta-Antagonists; D000818:Animals; D001158:Arteries / Q000187:drug effects*; D004983:Ethanolamines / Q000494:pharmacology*; D006168:Guinea Pigs; D006801:Humans; D066298:In Vitro Techniques; D007545:Isoproterenol / Q000494:pharmacology; D007741:Labetalol / Q000494:pharmacology*; D009119:Muscle Contraction / Q000187:drug effects; D009126:Muscle Relaxation / Q000187:drug effects; D009131:Muscle, Smooth, Vascular / Q000187:drug effects; D009638:Norepinephrine / Q000494:pharmacology; D051381:Rats; D014680:Veins / Q000187:drug effects*
chemical_list: D000317:Adrenergic alpha-Antagonists; D000319:Adrenergic beta-Antagonists; D004983:Ethanolamines; D007545:Isoproterenol; D007741:Labetalol; D009638:Norepinephrine