title: Toxicity of comfrey.
authors.affiliation: Department of Health, Medicines Control Agency, London.
authors.forename: K A
authors.initials: KA
authors.lastname: Winship
mesh_terms: D000818:Animals; D006801:Humans; D010946:Plants, Medicinal; D010947:Plants, Toxic; D011763:Pyrrolizidine Alkaloids / Q000737:chemistry / Q000378:metabolism / Q000633:toxicity*
chemical_list: D011763:Pyrrolizidine Alkaloids