Phongmanjit, P. (2024) “Utilization of Handcrafted Trocar ‘PP-Ports Trocar’ in Laparoscopic Cholecystectomy”, Journal of the Association of General Surgeons of Thailand under the Royal of Patronage of HM the King , 9(1), pp. 6–12. available at: https://he02.tci-thaijo.org/index.php/agstjournal/article/view/268167 (accessed: 9 December 2025).