Polevoy G. ARTICLE RETRACTED DUE TO PLAGIARISM BY THE AUTHOR Desarrollo integral de las cualidades físicas de los futbolistas en el período preparatorio (Comprehensive development of physical qualities of football players in the preparatory period): ARTICLE RETRACTED DUE TO PLAGIARISM BY THE AUTHOR. Retos [Internet]. 3 de agosto de 2024 [citado 28 de marzo de 2025];57:172-8. Disponible en: https://recyt.fecyt.es/index.php/retos/article/view/105912