Review Etanercept and efalizumab for the treatment of psoriasis: a systematic review.
Woolacott N, Hawkins N, Mason A, Kainth A, Khadjesari Z, Vergel YB, Misso K, Light K, Chalmers R, Sculpher M, et al. Health Technol Assess. 2006 Nov; 10(46):1-233, i-iv.