KRUEGER, G. The impact of psoriasis on quality of life : results of a 1998 National Psoriasis Foundation patient-membership survey. Arch Dermatol. 2001, 137, 280-284
STERN, RS. Psoriasis is common, carries a substantial burden even when not extensive, and is associated with widespread treatment dissatisfaction. J Invest Dermatol Symp Proc. 2004, 9, 136-139
ZACHARIAE, R. Quality of life in 6497 Nordic patients with psoriasis. Br J Dermatol. 2002, 146, 1006-1016