1Young JM, Yoxall BE, Wagner BM. Topical betamethasone 17-valerate is an anticorticosteroid in the rat. 1. Dermal atrophy[J]. Br J Dermatol, 1978, 99(6): 655-663.
2Tosti A, Iorizzo M, Botta GL, et al. Efficacy and safety of a new clobetasol propionate 0.05% foam in alopecia areata: a randomized, double-blind placebo-controlled trial[J]. J Eur Acad Dermatol Venereol, 2006, 20(10): 1243-1247.