Saglam, Duygu, Gulhan Samur, and Serap Turan. 2019. “Assessment of Vitamin D Status in Turkish Adolescents: Its Relation to Obesity, Cardiometabolic Risk Factors and Nutritional Status”. Progress in Nutrition 21 (4): 762-68. https://doi.org/10.23751/pn.v21i4.6850.