Prognostic Significance of Tumor-Stroma Ratio in Hepatocellular and Gall Bladder Carcinoma: Protocol for a Systematic Review and Meta-analysis - Ahuja, Sana; Zaheer, Sufian; Fattahi-Darghlou, Marzieh; Jarrahi, Alireza; Nazari, Seyed Saeed; Al Marzouqi, Amina; Rahman, Syed; Al-Yateem, Nabeel; Al-Marzouqi, Zalikha; D’ Costa, Maria (Asian Pacific Journal of Environment and Cancer, 2025)