Atkins, C. P., Gilbert, D., Brockwell, C., Robinson, S., & Wilson, A. M. (2016). Fatigue in sarcoidosis and idiopathic pulmonary fibrosis: differences in character and severity between diseases. Sarcoidosis, Vasculitis and Diffuse Lung Diseases, 33(2), 130-138. https://mattioli1885journals.com/index.php/sarcoidosis/article/view/4406