title: Histamine H1-receptors in brain labeled with 3H-mepyramine.
mesh_terms: D000818:Animals; D001923:Brain Chemistry; D006168:Guinea Pigs; D007553:Isotope Labeling; D011725:Pyridines / Q000494:pharmacology*; D011738:Pyrilamine / Q000032:analysis / Q000494:pharmacology*; D051381:Rats; D011968:Receptors, Histamine / Q000032:analysis*
chemical_list: D011725:Pyridines; D011968:Receptors, Histamine; D011738:Pyrilamine