1. Lamarre-Cliché, M., and Cusson, J., The fainting patient: value of the head-upright tilt table test in adult patients with orthostatic intolerancem. Can. Med. Assoc. J. 164:372–376, 2001.
2. Udani, V., Bavdekar, M., and Karia, S., Head up tilt test in the diagnosis of neurocardiogenic syncope in childhood and adolescence. Neurol. India 52:185–187, 2004.
3. Yadav, P., Sethi, A., Agarwal, A. K., and Jain, A., Syncope. J. Indian Acad. Clin. Med. 4:286–291, 2003.
4. Sheldon, R., Sexton, E., and Koshman, M. L. R., Usefulness of clinical factors in predicting outcomes of passive tilt test in patients with syncope. Am. J. Cardiol. 85:360–364, 2000.
5. Maurice, V., and Ropper, A. H., Principles of Neurology, 7th edn., McGraw Hill, USA, 2001.