title: Possible involvement of central histamine H2-receptors in the hypotensive effect of clonidine.
mesh_terms: D001794:Blood Pressure / Q000187:drug effects*; D001921:Brain / Q000187:drug effects / Q000378:metabolism; D003000:Clonidine / Q000037:antagonists & inhibitors / Q000494:pharmacology*; D006632:Histamine / Q000378:metabolism*; D008785:Metiamide / Q000494:pharmacology; D011955:Receptors, Drug
chemical_list: D011955:Receptors, Drug; D008785:Metiamide; D006632:Histamine; D003000:Clonidine