Jin-Kyu Cho, Woohyung Lee, Jae Yool Jang, Jung-Wook Yang, Soon-Chan Hong, Chi-Young Jeong. Simultaneous osteosarcoma and adenocarcinoma of the gallbladder: A rare case report and literature review. Turkish Journal of Gastroenterology [Internet]. 2019 Jul. 25 [cited 2025 Jul. 23];30(6):569-72. Available from: https://tjg.avesjournals.com/index.php/tjg/article/view/3725