Oral PSORI-CM01, a Chinese herbal formula, plus topical sequential therapy for moderate-to-severe psoriasis vulgaris: pilot study for a double-blind, randomized, placebo-controlled trial. - Yao DN; Lu CJ; Wen ZH; Yan YH; Xuan ML; Li XY; Li G; He ZH; Xie XL; Deng JW; Guo XF; Ou AH (Trials, 2016)