1. Editorial. Is it reasonable for dermatologist to treat acne? Arch Dermatol 1996;132:819–20.
2. The evaluation and management of acne: economic considerations;Befed;J. Am. Acad. Dermatol.,1995
3. Acne vulgaris. The past, the present and the future;Cunliffe;Acta Dermatovener (Stockh),1999
4. Cunliffe WJ. New approaches to acne treatment. London: Martin Dunitz Ltd; 1994.
5. The difficult acne patient;Cunliffe;Acta Dermatovenerol. Croat.,2001