Sinem BOZKURT, Berat Meryem ALKAN, Fatma YILDIZ, Sevgi GÜMÜŞ, Nebahat SEZER, 2 Özge ARDIÇOĞLU, and Selami AKKUŞ2. “Age, Sex, and Seasonal Variations in the Serum Vitamin D3 Levels in a Local Turkish Population”. Archives of Rheumatology 29, no. 1 (January 31, 2014): 014–019. Accessed October 19, 2025. https://www.archivesofrheumatology.org/index.php/pub/article/view/623.