A randomized, double-blind, placebo-controlled study of clobetasol propionate 0.05% foam in the treatment of nonscalp psoriasis.
Lebwohl M, Sherer D, Washenik K, Krueger GG, Menter A, Koo J, Feldman SR. A randomized, double-blind, placebo-controlled study of clobetasol propionate 0.05% foam in the treatment of nonscalp psoriasis. Int J Dermatol. 2002 May; 41(5):269-74.