Marcellis, Rik, Melanie van der Veeke, Ilse Mesters, Marjolein Drent, Rob de Bie, Geeuwke de Vries, and Antoine Lenssen. 2015. “Does Physical Training Reduce Fatigue in Sarcoidosis?”. Sarcoidosis, Vasculitis and Diffuse Lung Diseases 32 (1): 53-62. https://mattioli1885journals.com/index.php/sarcoidosis/article/view/4053.