WAQAR, Kashif; AHMED, Naveed; NAQVI, Asma; KHAN, Shahryar. Relationship between Smartphone Screen Time, Physical Activity, and Self-Reported Fatigue among Medical Students. Pakistan Journal of Healthcare Research, [S. l.], v. 3, n. 1, p. 13–17, 2026. Disponível em: https://pjhr.com.pk/index.php/journal/article/view/45. Acesso em: 7 oct. 2026.