Comparison of autonomic responses to the tilt table test between patients with postural orthostatic tachycardia syndrome and healthy individuals: a study matched for sex and age. Revista Brasileira de Iniciação Científica [Internet]. 2026 Sep. 15 [cited 2026 Oct. 29];:e026026. Available from: https://periodicoscientificos.itp.ifsp.edu.br/index.php/rbic/article/view/2779