Magarian, G J The hyperventilation challenge test. Another means of identifying coronary vasospasm in patients with angina-like chest pain. [electronic resource] - Chest Jan 1991 - 199-204 p. digital Publication Type: Journal Article; Review ISSN: 0012-3692 Standard No.: 10.1378/chest.99.1.199 doi Subjects--Topical Terms: AcetylcholineAngina Pectoris, Variant--diagnosisCoronary Vasospasm--diagnosisElectrocardiographyErgonovineHumansHyperventilation