FEATURES OF THE FUNCTIONAL ACTIVITY OF THE SYMPATHOADRENAL SYSTEM IN PATIENTS WITH ESSENTIAL HYPERTENSION TREATED WITH Β-BLOCKERS: A NARRATIVE REVIEW. International journal of medical sciences, [S. l.], v. 6, n. 03, p. 207–225, 2026. DOI: 10.55640/. Disponível em: https://www.academicpublishers.org/journals/index.php/ijms/article/view/11713.. Acesso em: 6 aug. 2026.