GÜRER, Sezer, Mehmet GÜREL, and Fatih HİLMİOĞLU. 1994. “ASYMPTOMATIC GALL STONES: PROBLEMS, CONTROVESIES AND APPROACH”. Turkish Journal of Gastroenterology 5 (4):647-50. https://turkjgastroenterol.org/index.php/tjg/article/view/524.