Leziak, Milena, Sylwiusz Niedobylski, Klaudia Żak, Katarzyna Skórzyńska-Dziduszko, and Danuta Krasowska. “Prolactin – Friendly Lactation Hormone or Hostile Cancerogenic Factor?”. Journal of Education, Health and Sport 9, no. 9 (September 3, 2019): 247–252. Accessed January 27, 2025. https://apcz.umk.pl/JEHS/article/view/7390.