Tambunan, Dior Manta, and Nurhayati Marbun. “Patients Who Will Have an Angiography or Cateterization Procedure: Anxiety Factors ”. Science Midwifery 11, no. 2 (June 14, 2023): 301–308. Accessed June 23, 2026. https://www.midwifery.iocspublisher.org/index.php/midwifery/article/view/1152.