1. An overview of acne;Kligman;J Invest Dermatol,1974
2. Report of the Consensus Conference on Acne Classification, Washington, D.C., March 24 and 25, 1990;Pochi,1991
3. The pathologic dynamics of acne vulgaris;Strauss;Arch Dermatol,1960
4. Intracutaneous injection of sebum and comedones;Strauss;Arch Dermatol,1965
5. Effect of orally administered antibacterial agents on the titrable acidity of human sebum;Strauss;J Invest Dermatol,1966