Prevalence Of Pre-Operative Anxiety Among Patients In A Tertiary Care Hospital In South India, Chennai. Journal of Pharmaceutical Negative Results, [S. l.], p. 935–941, 2023. DOI: 10.47750/pnr.2023.14.02.117. Disponível em: https://www.pnrjournal.com/index.php/home/article/view/7369.. Acesso em: 9 jun. 2026.