title: Effect of ketamine on the tracheobronchial trees of guinea-pigs.
mesh_terms: D000818:Animals; D001285:Atropine / Q000494:pharmacology; D004417:Dyspnea / Q000378:metabolism; D006168:Guinea Pigs; D006632:Histamine / Q000494:pharmacology; D007649:Ketamine / Q000494:pharmacology*; D008168:Lung / Q000187:drug effects*; D008297:Male; D009126:Muscle Relaxation / Q000187:drug effects; D011433:Propranolol / Q000494:pharmacology; D014132:Trachea / Q000187:drug effects*
chemical_list: D007649:Ketamine; D001285:Atropine; D006632:Histamine; D011433:Propranolol