Jin-Kyu Cho, Woohyung Lee, Jae Yool Jang, Jung-Wook Yang, Soon-Chan Hong, & Chi-Young Jeong. (2019). Simultaneous osteosarcoma and adenocarcinoma of the gallbladder: A rare case report and literature review. Turkish Journal of Gastroenterology, 30(6), 569–572. Retrieved from https://tjg.avesjournals.com/index.php/tjg/article/view/3725