BIAWAN, H. .; SUROSO, J. . A correlation between spiritual level and preoperative patients’ anxiety. Proceedings Series on Health & Medical Sciences, [S. l.], v. 1, p. 54–59, 2020. DOI: 10.30595/pshms.v1i.33. Disponível em: https://conferenceproceedings.ump.ac.id/pshms/article/view/33. Acesso em: 20 aug. 2025.