TY - JOUR AU - Griffiths, CE AU - Clark, CM AU - Chalmers, RJ AU - Li Wan Po, A AU - Williams, HC J2 - Health Technol Assess JO - Health Technol Assess TI - A systematic review of treatments for severe psoriasis PY - 2001 VL - 4 IS - 40 DO - 10.3310/hta4400 DA - 2001/03/08 UR - http://journalslibrary.nihr.ac.uk/hta/hta4400 SP - 125 ER -