The Correlation Level of Stress at the Start of Pandemic Covid-19 Related to the Frequency of Relapse in Coronary Heart Disease Patients: The Correlation Level of Stress at the Start of Pandemic Covid-19. Jurnal Ilmiah Wijaya, [S. l.], v. 11, n. 2, 2020. Disponível em: https://jurnalwijaya.com/index.php/jurnal/article/view/123. Acesso em: 8 dec. 2025.