Wandee, M., and S. Siriwong. “Comparison between External Oblique Intercostal Plane (EOI) Block and Incisional Local Infiltration Effect in Open Cholecystectomy: A Randomized Controlled Trial”. Journal of Health Science and Medical Research, vol. 44, no. 3, May 2026, p. e20251261, doi:10.31584/jhsmr.20251261.