Yuto Kiyomiya, Masako Fujiu-Kurachi, Aya Hirata, Waku Nakasone, Masaki Azuma, Shunji Kishida, Gota Tsuda. Morphological and functional changes of the geniohyoid muscle in elderly patients after hip fracture surgery: Comparison of ultrasound images with a focus on swallowing function. Journal of oral rehabilitation. 2024