2019. 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, 2 (Apr. 2019). DOI:https://doi.org/10.32734/sumej.v3i2.3273.