LEYDEN, JJ. Rational therapy for acne vulgaris : an update on topical treatment. J Am Acad Dermatol. 1986, 15, 907-914
BERSON, DS. The treatment of acne : the role of combination therapies. J Am Acad Dermatol. 1995, 32, S31-S41
TOYODA, M. An overview of topical antibiotics for acne treatment. Dermatology (Basel). 1998, 196, 130-134
KNUTSON, DD. Ultrastructural observations in acne vulgaris : the normal sebaceous follicle and acne lesions. J Invest Dermatol. 1974, 62, 288-307
WOLFF, HH. Ultrastructure of human sebaceous follicles and comedones following treatment with vitamin A acid. Acta Dermato-Venereol [Suppl] (Stockh). 1975, 55, 99-110