van Manen, M. J. G., Wapenaar, M., Strookappe, B., Drent, M., Elfferich, M., de Vries, J., Gosker, H. R., Birring, S. S., Patel, A. S., van den Toorn, L., van den Blink, B., Boomars, K., Hoitsma, E., & Wijsenbeek, M. S. (2016). Validation of the King’s Sarcoidosis Questionnaire (KSQ) in a Dutch sarcoidosis population. Sarcoidosis, Vasculitis and Diffuse Lung Disease, 33(1), 75–82. Retrieved from https://mattioli1885journals.com/index.php/sarcoidosis/article/view/4665