1.
Russo V, De Crescenzo I, Ammendola, et al. E. Sympathovagal balance analysis in idiopathic postural orthostatictachycardia syndrome. Acta Biomed. 2007;78(2):133-138. Accessed February 24, 2025. https://mattioli1885journals.com/index.php/actabiomedica/article/view/1916