Cieśla E, Lelonek M, Zaręba M, Suliga E. Assessment of the influence of physical activity and screen time on somatic features and physical fitness in 6 to 7-year-old girls. AR [Internet]. 2021 Dec. 30 [cited 2024 May 5];84(4):443-65. Available from: https://czasopisma.uni.lodz.pl/ar/article/view/12507