title: Inhibition of histamin-induced airway constriction negative results with oxtriphylline and ascorbic acid.
mesh_terms: D001205:Ascorbic Acid / Q000627:therapeutic use*; D001249:Asthma / Q000188:drug therapy*; D003251:Constriction, Pathologic / Q000139:chemically induced / Q000188:drug therapy; D006632:Histamine; D013806:Theophylline / Q000031:analogs & derivatives / Q000627:therapeutic use*
chemical_list: D006632:Histamine; D013806:Theophylline; D001205:Ascorbic Acid