title: A comparison of the beta-adrenoceptor agonist potency of labetalol with those of sympathomimetic drugs, and the role of alpha-receptors in pharmacological actions of these drugs on tracheal smooth muscles in guinea pigs.
mesh_terms: D000318:Adrenergic beta-Agonists; D000818:Animals; D005260:Female; D006168:Guinea Pigs; D066298:In Vitro Techniques; D007741:Labetalol / Q000494:pharmacology*; D008297:Male; D009119:Muscle Contraction / Q000187:drug effects; D009130:Muscle, Smooth / Q000187:drug effects*; D011942:Receptors, Adrenergic, alpha / Q000187:drug effects*; D013566:Sympathomimetics / Q000494:pharmacology*; D014132:Trachea / Q000187:drug effects
chemical_list: D000318:Adrenergic beta-Agonists; D011942:Receptors, Adrenergic, alpha; D013566:Sympathomimetics; D007741:Labetalol