R W, T T, S P, B S. Determining the minimum number of endotracheal intubation cases necessary to develop the skills of medical students. BSCM [internet]. 2021 Jul. 1 [cited 2026 Sep. 1];60(3):317-23. available from: https://he01.tci-thaijo.org/index.php/CMMJ-MedCMJ/article/view/247157