“Changes In Glutamic Oxaloacetic Transaminase Serum (SGOT) and Glutamic Pyruvic Transaminase Serum (SGPT) Value In Laparoscopic Cholecystectomy Patient at USU Hospital”. Sumatera Medical Journal 3, no. 2 (April 20, 2019). Accessed February 4, 2026. https://idjpcr.usu.ac.id/smj/article/view/3273.