Large language models in clinical trials: applications, technical advances, and future directions. - Lin, Anqi; Wang, Zhihan; Jiang, Aimin; Chen, Li; Qi, Chang; Zhu, Lingxuan; Mou, Weiming; Gan, Wenyi; Zeng, Dongqiang; Xiao, Mingjia; Chu, Guangdi; Peng, Shengkun; et al. (BMC Medicine, 2025)