Kastelijn, E.; van Moorsel, C.; Ruven, H.; Korthagen, N.; Kwakkel-van Erp, J.; van de Graaf, E.; Zanen, P.; van Kessel, D.; Grutters, J. YKL-40 and Matrix Metalloproteinases As Potential Biomarkers of Inflammation and Fibrosis in the Development of Bronchiolitis Obliterans Syndrome. Sarcoidosis Vasc Diffuse Lung Dis 2013, 30 (1), 28-35.