title: Changes in the patency of the upper nasal passage induced by histamine and antihistamines.
mesh_terms: D000403:Airway Resistance; D000818:Animals; D001808:Blood Vessels / Q000187:drug effects; D004285:Dogs; D006632:Histamine / Q000494:pharmacology*; D006634:Histamine H1 Antagonists / Q000494:pharmacology*; D007269:Injections, Intra-Arterial; D009130:Muscle, Smooth / Q000187:drug effects; D014663:Nasal Decongestants / Q000494:pharmacology; D009297:Nasal Mucosa / Q000098:blood supply / Q000187:drug effects; D012039:Regional Blood Flow / Q000187:drug effects
chemical_list: D006634:Histamine H1 Antagonists; D014663:Nasal Decongestants; D006632:Histamine