1. Perioral dermatitis;Cotterill;Br J Dermatol,1979
2. Perioral dermatitis and rosacea;Hogan;Can Med Assoc J,1986
3. Perioral dermatitis;Sneddon;Br J Dermatol,1972
4. Perioral dermatitis: a 12-year review;Wilkinson;Br J Dermatol,1979
5. Why doesn't the worker's skin clear up?;Morris;Arch Ind Hyg,1954