Mapping the intellectual structure and emerging trends on nanomaterials in colorectal cancer: a bibliometric analysis from 2003 to 2024 - Lu, Man; Liu, Yi; Zhu, Jin; Shang, Jiarong; Bai, Lu; Jin, Zhichao; Li, Wenting; Hu, Yue; Zheng, Xia; Qian, Jun (Frontiers in Oncology, 2025)