SACZUK, Jerzy; OLSZEWSKA, Dorota; WASILUK, Agnieszka; OLSZEWSKI, Jarosław. Physical fitness of boys with overweight and obesity living in the eastern provinces of Poland. Polish Journal of Public Health, Lublin, Poland, v. 121, n. 4, p. 350–354, 2011. Disponível em: https://czasopisma.umlub.pl/pjph/article/view/1951. Acesso em: 3 aug. 2025.