Tafuri, F. et al. 2024. Article RETRACTED: include references that are unrelated to the subject of the article and/or the context in which they are cited Efectos de un programa de entrenamiento en circuito en la mejora de la aptitud cardiorrespiratoria, la fuerza de las extremidades superiores y la agilidad en sujetos parapléjicos (Effects of a circuit training program in improving cardiorespiratory fitness, upper extremity strength, and agility in paraplegic subjects): Article RETRACTED: include references that are unrelated to the subject of the article and/or the context in which they are cited. Retos. 58, (Sep. 2024), 552–559. DOI:https://doi.org/10.47197/retos.v58.107488.