Hernández Pérez H, Cruz Castruita RM, Quezada Chacón J, Holguín Ramírez J, Hernández-Cruz G, Alonso Ramos ZN, et al. Levels of Anxiety, Depression and Physical Activity of Mexican Children by Sex After Lockdown by Covid-19. Intjssh [Internet]. 2026 May 27 [cited 2026 Jul. 9];9(2):1-16. Available from: https://journals.kmanpub.com/index.php/Intjssh/article/view/4977