De Rie, MA, IM Zonneveld, L Witkamp, RA van Lier, TA Out, and JD. Bos. 1996. “Soluble Interleukin-2 Receptor (sIL-2R) Is a Marker of Disease Activity in Psoriasis: A Comparison of SIL-2R, sCD27, sCD4, SCD8 and SICAM-1”. Acta Dermato-Venereologica 76 (5):357-60. https://doi.org/10.2340/0001555576357360.