Eftedal, O S A randomized, double blind study of the prophylactic effect of hyperbaric oxygen therapy on migraine. [electronic resource] - Cephalalgia : an international journal of headache Aug 2004 - 639-44 p. digital Publication Type: Clinical Trial; Journal Article; Randomized Controlled Trial; Research Support, Non-U.S. Gov't ISSN: 0333-1024 Standard No.: 10.1111/j.1468-2982.2004.00724.x doi Subjects--Topical Terms: AdultAgedEndothelin-1--bloodFemaleHumansHyperbaric OxygenationMaleMiddle AgedMigraine Disorders--blood