Association of the calcitriol to calcifediol ratio with cardiac involvement in newly diagnosed sarcoidosis. Sarcoidosis Vasc Diffuse Lung Dis [Internet]. 2020 Sep. 30 [cited 2024 Jun. 30];37(3):e2020008. Available from: https://mattioli1885journals.com/index.php/sarcoidosis/article/view/9939