Shrestha A, Sharma P, Lama A, Gurung RB. The Role of Aspartate Aminotransferase to Platelet Ratio Index as a Non-Invasive Predictor of Variceal Etiology of Upper Gastrointestinal Bleeding. J Lumbini Med Coll. 2020;8(2):206-211. doi:10.22502/jlmc.v8i2.376