BREASTFEEDING - THE KEY TO MORE OLYMPIC MEDALS. - Lis, Laura; Makowska, Karolina; Marczyk, Aleksandra; Billewicz, Marta; Zatorska, Oksana; Perwejnis, Sebastian; Turek, Aleksandra; Pietrzykowska, Julia; Popiołek, Adam (Polish Journal of Sports Medicine / Medycyna Sportowa, 2024)