loading . . . Metabolic adaptation and fragility in healthy 3D in vitro skeletal muscle tissues exposed to chronic fatigue syndrome and Long COVID-19 sera Metabolic adaptation and fragility in healthy 3D in vitro skeletal muscle tissues exposed to chronic fatigue syndrome and Long COVID-19 sera, Mughal, Sheeza, Andújar-Sánchez, Félix, Sabater-Arcis, Maria, Garrabou, Glória, Fernández-Solà, Joaquim, Alegre-Martin, Jose, Sanmartin-Sentañes, Ramon, Castro-Marrero, Jesús, Esteve-Codina, Anna, Casals, Eloi, Fernández-Costa, Juan M, Ramón-Azcón, Javier https://iopscience.iop.org/article/10.1088/1758-5090/adf66c