Zachariae, H, H Søgaard, and L Heickendorff. 1989. “Serum Aminoterminal Propeptide of Type III Procollagen. A Non-Invasive Test for Liver Fibrogenesis in Methotrexate-Treated Psoriatics”. Acta Dermato-Venereologica 69 (3):241-44. https://doi.org/10.2340/0001555569241244.