SIREGAR, Y. H. THE RELATIONSHIP BETWEEN ANXIETY LEVELS AND SLEEP QUALITY IN CONGESTIVE HEART FAILURE PATIENTS . JOURNAL of HEALTH, [S. l.], v. 5, n. 2, p. 31–35, 2026. Disponível em: https://banuainstitute.org/JOHE/article/view/167. Acesso em: 24 jul. 2026.