title: The effect of intermittent positive pressure ventilation upon the calibre of cerebral arteries in spasm following subarachnoid haemorrhage--a preliminary communication.
mesh_terms: D002536:Cerebral Arteries / Q000503:physiopathology*; D006801:Humans; D011175:Positive-Pressure Respiration; D013035:Spasm / Q000209:etiology / Q000503:physiopathology; D013345:Subarachnoid Hemorrhage / Q000503:physiopathology*