HAMERLA A, GAWRON J, SZYDŁOWSKI R, BODERA M, PORWOLIK H, PORWOLIK A, CZARNECKI B, KAŹMIERSKA A, GRAJCAREK ŁUKASZ, CYRAN P. The Effect of Excessive Smartphone Use on Mental Wellbeing, Sleep Quality and Active Lifestyle Behaviours. Pakistan Journal of Medical & Health Sciences [Internet]. 2026 Jan. 30 [cited 2026 Mar. 20];20(01):3-6. Available from: https://pjmhsonline.com/index.php/pjmhs/article/view/7144