Neurophysiological observations in two cases showing prolonged coma.
D000328:Adult; D001932:Brain Neoplasms / Q000150:complications; D003128:Coma / Q000209:etiology / Q000503:physiopathology*; D006259:Craniocerebral Trauma / Q000150:complications; D005071:Evoked Potentials; D005133:Eye Movements; D005260:Female; D006339:Heart Rate; D006801:Humans; D008297:Male; D008579:Meningioma / Q000150:complications; D009420:Nervous System / Q000503:physiopathology*; D012890:Sleep