Maletić, Milan, Filip Spasojević, Jovan Blagojević, Nevenka Aleksić, Slobodanka Vakanjac, Jelena Maletić, and Janko Mrkun. 2022. “Retained Bovine Placenta – Various Treatments and Their Effects”. Veterinarski Glasnik 76 (1). Belgrade, Serbia. https://doi.org/10.2298/VETGL201205003M.