title: Botanical briefs: comfrey (Symphytum officinale).
authors.affiliation: Department of Pharmacology, Universidade Federal do Paraná, Curitiba, PR, Brazil.
authors.forename: Cíntia Ds
authors.initials: CD
authors.lastname: Horinouchi
authors.forename: Michel F
authors.initials: MF
authors.lastname: Otuki
mesh_terms: D020844:Comfrey / Q000009:adverse effects / Q000737:chemistry; D006801:Humans; D008517:Phytotherapy; D010936:Plant Extracts / Q000009:adverse effects / Q000627:therapeutic use*; D012871:Skin Diseases / Q000188:drug therapy
chemical_list: D010936:Plant Extracts