BİLİCİ, Ahmet, et al. “Gallbladder Metastasis Secondary to Gastric Cancer As a First Site of Recurrence Presented With Acute Cholecystitis: Case Report and Literature Review”. Turkish Journal of Gastroenterology, vol. 23, no. 6, Jan. 2012, pp. 764-8, doi:10.4318/tjg.2012.0439.