PT - JOURNAL ARTICLE AU - Bergfeld, Wilma F. TI - Scientific approach to the treatment of acne vulgaris DP - 1975 Dec 21 TA - Cleveland Clinic Journal of Medicine PG - 277--283 VI - 42 IP - 4 4099 - http://www.ccjm.org/content/42/4/277.short 4100 - http://www.ccjm.org/content/42/4/277.full SO - Cleve Clin J Med1975 Dec 21; 42