Lewandowski, Andrzej, Ewelina Winiarek, Natalia Mikołajewska, Zuzanna Piekorz, Szymon Piekorz, Jacek J. Klawe, Paweł Zalewski, and Monika Ciesielska. “Obesity and Suppleness in School Children”. Medical and Biological Sciences 26, no. 4 (June 23, 2012): 91–96. Accessed December 31, 2025. https://apcz.umk.pl/MBS/article/view/v10251-012-0076-9.