title: [Vitamin B 12 acne as hypervitaminosis].
mesh_terms: D000152:Acne Vulgaris / Q000139:chemically induced*; D006801:Humans; D014805:Vitamin B 12 / Q000009:adverse effects*
chemical_list: D014805:Vitamin B 12
vernacular_title: Vitamin-B12-Akne als Hypervitaminose.