title: Indigo naturalis oil extract drops in the treatment of moderate to severe nail psoriasis: a small case series.
authors.forename: Yin-Ku
authors.initials: YK
authors.lastname: Lin
mesh_terms: D004365:Drugs, Chinese Herbal / Q000627:therapeutic use*; D006801:Humans; D007203:Indigo Carmine; D007211:Indoles / Q000627:therapeutic use*; D009260:Nail Diseases / Q000188:drug therapy*; D008517:Phytotherapy; D010936:Plant Extracts / Q000627:therapeutic use*; D011565:Psoriasis / Q000188:drug therapy*
chemical_list: D004365:Drugs, Chinese Herbal; D007211:Indoles; D010936:Plant Extracts; D007203:Indigo Carmine