Sukartini, Tintin, Nursalam, Erna Dwi Wahyuni, Ratri Ismiwiranti, and andeep Poddar. “Patients’ Readiness before Undergoing Gastrointestinal Endoscopy: A Descriptive Study”. Journal of the Pakistan Medical Association 73, no. 02 (February 1, 2023): S92-S95. Accessed May 22, 2026. https://jpma.org.pk/index.php/public_html/article/view/9487.