A prediction model for moderate to severe pain in primary hepatic carcinoma after chemotherapy: a multi-center prospective case‒control study - Siting Huang; Aiqin Liu; Xiaoruo Yu; Zhifeng Qiu; Guizhen Weng; Dun Liu; Yan Wang; Yan Zhuo; Liuqing Yao; Mei Yang; Hui Lin; Xi Ke (Scientific Reports, 2025)