title: [On the problem of the so-called intramenstrual improvement of acne vulgaris].
mesh_terms: D000152:Acne Vulgaris / Q000503:physiopathology*; D000293:Adolescent; D000328:Adult; D003339:Corpus Luteum Hormones / Q000502:physiology*; D004967:Estrogens / Q000502:physiology*; D005260:Female; D006801:Humans; D008598:Menstruation / Q000502:physiology*
chemical_list: D003339:Corpus Luteum Hormones; D004967:Estrogens
vernacular_title: Zur Frage der sog. intramenstruellen Besserung der Akne vulgaris.