Petrovič, Ján, Martin Mellen, Natália Čmiková, Marianna Schwarzová, and Miroslava Kačániová. “Effects of Laying Hens Housing System on Eggs Microbial Contamination”. Potravinarstvo Slovak Journal of Food Sciences 18 (January 9, 2024): 50–65. Accessed October 15, 2024. https://potravinarstvo.com/journal1/index.php/potravinarstvo/article/view/1938.