MALFASARI, E. The Occurence of Anxiety on Heart Failure Patients in Pekanbaru. KnE Life Sciences, [S. l.], v. 4, n. 10, p. 11–15, 2019. DOI: 10.18502/kls.v4i10.3824. Disponível em: https://knepublishing.com/index.php/KnE-Life/article/view/3824. Acesso em: 11 aug. 2025.