title: Concerning the histamine receptor (H1).
mesh_terms: D000818:Animals; D001665:Binding Sites; D006168:Guinea Pigs; D006632:Histamine; D006863:Hydrogen-Ion Concentration; D007082:Ileum; D008962:Models, Theoretical; D011955:Receptors, Drug
chemical_list: D011955:Receptors, Drug; D006632:Histamine