References
- Nazzaro-Porro M. Azelaic acid. J Am Acad Dermatol 1987: 17(6): 1033–41
- Schachner L, Pestano A, Kittles C. A clinical trial comparing the safety and efficacy of a topical erythromycin-zinc formulation with a topical clindamycin formulation. J Am Acad Dermatol 1990: 22(3): 489–95
- Hughes BR, Norris JFB, Cunliffe WJ. A double-blind evaluation of topical isotretinoin, benzoyl perioxide, and placebo in patients with acne. Br J Dermatol 1989: 121(Suppl 34): 42