title: Evidence against conversion of histamine H1 to H2 receptors in the guinea-pig ileum at low temperatures.
mesh_terms: D000818:Animals; D003080:Cold Temperature; D005260:Female; D006168:Guinea Pigs; D007082:Ileum / Q000378:metabolism*; D066298:In Vitro Techniques; D008297:Male; D011968:Receptors, Histamine / Q000378:metabolism*; D011969:Receptors, Histamine H1 / Q000378:metabolism*; D011970:Receptors, Histamine H2 / Q000378:metabolism*
chemical_list: D011968:Receptors, Histamine; D011969:Receptors, Histamine H1; D011970:Receptors, Histamine H2