Thongkam S, Soowit B. THE EFFECT OF AN EDUCATIONAL PREPAREDNESS PROGRAM VIA A LINE MOBILE APPLICATION ON THE ANXIETY LEVEL OF PATIENTS UNDERGOING OUTPATIENT COLONOSCOPY. JPNHS [internet]. 2022 Dec. 28 [cited 2025 Dec. 9];14(2):314-23. available from: https://he01.tci-thaijo.org/index.php/policenurse/article/view/258335