title: Application of the method of Magnus to measure drug antihistaminic activity in blood plasma.
mesh_terms: D000818:Animals; D001966:Bromine / Q000097:blood*; D001977:Brompheniramine / Q000097:blood; D006168:Guinea Pigs; D006634:Histamine H1 Antagonists / Q000008:administration & dosage / Q000097:blood*; D006801:Humans; D007082:Ileum / Q000187:drug effects; D066298:In Vitro Techniques; D008722:Methods; D011725:Pyridines / Q000097:blood*; D013607:Tablets; D013608:Tablets, Enteric-Coated
chemical_list: D006634:Histamine H1 Antagonists; D011725:Pyridines; D013607:Tablets; D013608:Tablets, Enteric-Coated; D001977:Brompheniramine; D001966:Bromine