1. Savin RC, Berger RS. Split-face comparison of tretinoin cream .025% and adapalene gel .1% in the treatment of acne vulgaris. Cosmet Dermatol 1999;12(2):29-32.
2. Webster GF, Guenther L, Poulin YP, Solomon BA, Loven K, Lee J. A multicenter, double-blind, randomized comparison study of the efficacy and tolerability of once-daily tazarotene 0.1% gel and adapalene 0.1% gel for the treatment of facial acne vulgaris. Cutis 2002;69:4-11.
3. Leyden JJ, Tanghetti EA, Miller B, Ung M, Berson D, Lee J. Once-daily tazarotene 0.1% gel versus once-daily tretinoin 0.1% microsponge gel for the treatment of facial acne vulgaris: A double-blind randomized trial. Cutis 2002:69;12-9.
4. Draelos ZD, Tanghetti EA. Optimizing the use of tazarotene for the treatment of facial acne vulgaris through combination therapy. Cutis 2002:69:20-9.
5. Lehucher-Ceyrac D, La Salmoniere P, Chastang C, Morel P. Predictive factors for failure of isotretinoin treatment in acne patients: 237 patients. Dermatol 1999;198:278-83.