Limy, I. et al. 2018. Relationship of Retinol Binding Protein Four Serum Level on Endometrial Hyperplasia and Endometrial Carcinoma: Hubungan Kadar Serum Retinol Binding Protein Empat pada Hiperplasia Endometrium dan Carcinoma Endometrium. Indonesian Journal of Obstetrics and Gynecology. 6, 4 (Oct. 2018), 243–247. DOI:https://doi.org/10.32771/inajog.v6i4.849.