Comparative performance of large language models in structuring head CT radiology reports: multi-institutional validation study in JapanHirotaka Takita; Shannon L. Walston; Yasuhito Mitsuyama; Ko Watanabe; Shoya Ishimaru; Daiju UedaIn: Japanese Journal of Radiology, Vol. 43, Pages 1445-1455, Springer, 5/2025.