3Iest J,Boer J. Combined treatment of psoriasis with acitretin and UVB phototherapy compared with acitretin alone and UVB alone [ J ]. Br J Dermatol, 1989,120 ( 5 ) :665 - 670.
4Ruzicka T, Sommerburg C, Braun-Falco O, et al. Efficiency of acitretin in combination with UV-B in the treatment of severe psoriasis [ J]. Arch Dermatol, 1990,126(4) :482 - 486.
5Saurat JH, Geiger JM, Amblard P, et al. Randomized double-blind mul- ticenter study comparing acitretin-PUVA, etretinate-PUVA and place- bo-PUVA in the treatment of severe psoriasis [ J 1. Dermatologiea, 1988.177 (4) :218 - 224.
6Guenther LC. Combination therapy of biologics with traditional agents in psoriasis [ J ]. Skin Therapy Lett,2011,16 ( 6 ) : 1 - 3.
7Irving KH,Waalen J, Leach EE. Acitretin in psoriasis: an overview of adverse effects [ J ]. Journal of the American Academy of Dermatology, 1999,41(3) :S7 -S12.
