1. Ad Hoc Committee Report (1975) Systemic anti-biotics for treatment of acne vulgaris: efficacy and safety. Arch Dermatol 111:1630–1636
2. Baer RL, Witten VH (1960) Acne vulgaris: re-marks on recent advances in knowledgement and management. Year Book of Dermatology. Year Book Medical, Chicago, pp 7–32
3. Becker FT, Fredricks MG (1955) Evaluation of an-tibiotics in the control of pustular acne vulgaris. Arch Dermatol 72:157–163
4. Gollnick H, Vogt K, Blume U, Herrmann J, Hau-stein UF, Orfanos CE (1993) Klinische und mikro-biologische Untersuchung zum Einsatz eines topi-schen Chinolons OPC-7251 bei Akne. Zentralbl Hautkr 162 (Suppl):178
5. King WC, Forbes M (1955) Clinical trial of orally administered tetracycline in the management of acne vulgaris. Antibiotics Annual 1954–1955. Me-dical Encyclopedia, New York, pp 570–573