Kehler T, Kezele TG, Fužinac-Smojver A, Kauzlarić-Živković T. Association of vitamin D insufficiency and low physical activity with fatigue, headaches and psychological distress in college students, North-Mediterranean Croatia – a pilot study. Paediatr Croat [Internet]. 2021 Jun. 30 [cited 2025 Dec. 16];65(2):59-66. Available from: https://paedcro.izahost.com/index.php/paedcro/article/view/387