Pase M. Relationship between Knowledge and Anxiety in Covid-19 Patients in the Shafa Marwa Isolation Room of Medan Haji Hospital in 2021. midwifery [Internet]. 2021 Dec. 19 [cited 2026 Apr. 30];10(1, October):403-9. Available from: https://www.midwifery.iocspublisher.org/index.php/midwifery/article/view/229