“The Predictive Value of Pre-Operative Symptoms Including Upper Gastrointestinal Endoscopy Before Laparoscopic Cholecystectomy for Elective Symptomatic Cholecystolithiasis”, Kathmandu Univ. Med. J., vol. 11, no. 4, pp. 300–304, Sep. 2015, doi: 10.3126/kumj.v11i4.12526.