Total Intramuscular Fat Fraction of Thigh Muscles as a Predictor of Nusinersen Efficacy in Pediatric SMA Type II and III. - Iketani, Kiiko; Awano, Hiroyuki; Hashimura, Hiromi; Sonehara, Shoko; Hanafusa, Hiroaki; Nambu, Yoshinori; Nishio, Hisahide; Nozu, Kandai; Bo, Ryosuke (Diagnostics (2075-4418), 2025)