title: Measurement of brain oxygen tension under conditions of fixed retraction and sodium nitroprusside induced hypotension using a polarographic method.
mesh_terms: D001921:Brain / Q000378:metabolism*; D003399:Craniotomy / Q000379:methods*; D005292:Ferricyanides / Q000494:pharmacology*; D006221:Halothane / Q000494:pharmacology; D006801:Humans; D007022:Hypotension / Q000139:chemically induced / Q000378:metabolism*; D009599:Nitroprusside / Q000494:pharmacology*; D010101:Oxygen Consumption / Q000187:drug effects; D011048:Polarography / Q000379:methods*
chemical_list: D005292:Ferricyanides; D009599:Nitroprusside; D006221:Halothane