TY - RPRT TI - Double-blind, randomised, multicentre, parallel group study comparing a 1% coal tar preparation (Exorex) with a 5% coal tar preparation (Alphosyl) in chronic plaque psoriasis. AU - M Goodfield AU - S Kownacki AU - J Berth-Jones PY - 2004 DO - 10.1080/09546630310017843 UR - https://pubmed.ncbi.nlm.nih.gov/14754644/ ID - 14754644 ER -