Assessment of Gallstone Disease in Libya Correlated to Age and Gender; Ultrasound Use for Diagnosis Proved by Surgical Operations. Leb med j [انترنت]. 20 ديسمبر، 2019 [وثق 18 أغسطس، 2025];6(1):216-20. موجود في: https://lebmedj.elmergib.edu.ly/index.php/LMJ/article/view/98