Evaluation of Posture-Dependent Signal Intensity and Contrast Alterations in Low-Field Brain Magnetic Resonance Imaging. - Yun, Chang-Soo; Oh, Changheun; Kim, Kyuseok; Kang, Seong-Hyeon; Kim, Hajin; Lee, Youngjin; Chung, Jun-Young; Choi, Gun (Diagnostics (2075-4418), 2026)