Physical exercise intervention in glycogen storage disease IIIa: Feasibility and multisystem benefits. - Bustos-Sellers A; Montalvo-Pérez A; Boraita A; Saco-Ledo G; Alejo LB; Barranco-Gil D; Valenzuela PL; López-Maldonado N; Ferrer-Costa R; Esparcia-Estrela J; Monteagudo-López C; Pinós T; et al. (Experimental physiology, 2026)