title: [Parathyroid hormone fragments relax guinea pig trachea in vitro].
mesh_terms: D015056:1-Methyl-3-isobutylxanthine / Q000494:pharmacology; D000818:Animals; D005260:Female; 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*; D010281:Parathyroid Hormone / Q000494:pharmacology*; D010446:Peptide Fragments / Q000494:pharmacology*; D011433:Propranolol / Q000494:pharmacology; D013329:Structure-Activity Relationship; D019379:Teriparatide; D014132:Trachea / Q000187:drug effects*
chemical_list: D010281:Parathyroid Hormone; D010446:Peptide Fragments; D019379:Teriparatide; D011433:Propranolol; D007545:Isoproterenol; D015056:1-Methyl-3-isobutylxanthine