Bamrung, A. and Suphanchaimat, R. (2017) “Outcomes of ‘Direct Trocar Insertion’ laparoscopic cholecystectomy in comparison with ‘Veress Needle Insertion’ and ‘Open Hasson’ laparoscopic cholecystectomy: a case study of Ban Phai Hospital, Khon Kaen Province”, Journal of Health Science of Thailand, 23(5), pp. 887–899. Available at: https://thaidj.org/index.php/JHS/article/view/772 (Accessed: 5December2025).