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Kirbiš, Mojca and Grad, Anton and Meglic, Bernard and Bajrovic, Fajko F. (2013) Comparison of active standing test, head-up tilt test and 24-h ambulatory heart rate and blood pressure monitoring in diagnosing postural tachycardia. Functional Neurology, 28 (1). pp. 39-45. ISSN 1971-3274