Tuten, N.; Acikgoz, S.; Mammadov, Z.; Malik, E.; Tuten, A.; Guralp, O. Is There a Role of 25-Hydroxy Vitamin D in the Pathogenesis of Mild and Moderate-to-Severe Endometriosis?. Gynecol Obstet Reprod Med 2021, 27, 132-137.