Köse, G., M. Api, and N. Aka. “The Distribution of The Lumbal Bone Mineral Density Within Turkish Postmenopousal Female Population”. Gynecology Obstetrics &Amp; Reproductive Medicine, vol. 12, no. 1, Apr. 2006, pp. 42-44, https://gorm.com.tr/index.php/GORM/article/view/560.