Acné – 1990
Acne Vulgaris – 1990 The influence of various factors on the human resident skin flora. Hartmann AA. Semin Dermatol. 1990 Dec;9(4):305-8. Review. Endocrine parameters in acne vulgaris. Schmidt JB, Lindmaier A, Spona J. Endocrinol Exp. 1990 Dec;24(4):457-64. [Acne vulgaris: morphologic, endocrinologic and psychosomatic aspects]. Welp K, Gieler U. Z Hautkr. 1990 Dec;65(12):1139-45. German. Long-term treatment…