title: Some observations on the pulmonary artery of the guinea-pig.
mesh_terms: D000109:Acetylcholine / Q000494:pharmacology; D000818:Animals; D002217:Carbachol / Q000494:pharmacology; D006168:Guinea Pigs; D006632:Histamine / Q000494:pharmacology; D066298:In Vitro Techniques; D007545:Isoproterenol / Q000494:pharmacology; D009130:Muscle, Smooth / Q000187:drug effects; D009638:Norepinephrine / Q000494:pharmacology; D011433:Propranolol / Q000494:pharmacology; D011651:Pulmonary Artery / Q000187:drug effects*
chemical_list: D006632:Histamine; D002217:Carbachol; D011433:Propranolol; D007545:Isoproterenol; D000109:Acetylcholine; D009638:Norepinephrine