1. Pyoderma faciale;O'Leary;Arch Dermatol Syphilol,1940
2. Acne: Morphogenesis and treatment;Plewig,1975
3. A pustular eruption of the chin (a variant of pyoderma faciale?);Barker;Acta Derm Venereol (Stockh),1978
4. Gramnegative folliculitis in acne vulgaris;Fulton;Arch Dermatol,1968
5. Gram-negative acne;Feibleman;Cutis,1980