The anxiety of patients in the preoperative period of heart surgery and the role of the nurse. Research, Society and Development, [S. l.], v. 12, n. 5, p. e17012541540, 2023. DOI: 10.33448/rsd-v12i5.41540. Disponível em: https://ojs34.rsdjournal.org/index.php/rsd/article/view/41540. Acesso em: 28 jun. 2025.