title: [Sequence of steroid enhancement of relaxation of the guinea pig tracheal muscle by beta-adrenergic stimulants].
mesh_terms: D000318:Adrenergic beta-Agonists / Q000494:pharmacology*; D000818:Animals; D004357:Drug Synergism; D005938:Glucocorticoids / Q000494:pharmacology*; D006168:Guinea Pigs; D066298:In Vitro Techniques; D007545:Isoproterenol / Q000494:pharmacology*; D008297:Male; D009119:Muscle Contraction / Q000187:drug effects*; D009126:Muscle Relaxation / Q000187:drug effects*; D009130:Muscle, Smooth / Q000187:drug effects; D014132:Trachea / Q000187:drug effects*
chemical_list: D000318:Adrenergic beta-Agonists; D005938:Glucocorticoids; D007545:Isoproterenol