Alopecia areata investigational assessment guidelines--Part II. National Alopecia Areata Foundation.
Olsen EA, Hordinsky MK, Price VH, Roberts JL, Shapiro J, Canfield D, Duvic M, King LE, McMichael AJ, Randall VA, Turner ML, Sperling L, Whiting DA, Norris D. Alopecia areata investigational assessment guidelines--Part II. National Alopecia Areata Foundation. J Am Acad Dermatol. 2004 Sep; 51(3):440-7.