Pratiwi, Hamria, Irfan Idris, and Dwi Kesuma Sari. 2022. “The Effect of Sterilization on Vitamin D Levels in Male and Female Rats”. Jurnal Riset Veteriner Indonesia (Journal of The Indonesian Veterinary Research) 6 (1). https://journal.unhas.ac.id/index.php/jrvi/article/view/14272.