title: Comfrey herb tea and hepatic veno-occlusive disease.
authors.affiliation: Department of Medicine, Brigham and Women's Hospital, Boston, Massachusetts.
authors.forename: P M
authors.initials: PM
authors.lastname: Ridker
authors.forename: W V
authors.initials: WV
authors.lastname: McDermott
mesh_terms: D000328:Adult; D002648:Child; D006504:Hepatic Veno-Occlusive Disease / Q000139:chemically induced*; D006801:Humans; D007223:Infant; D019684:Magnoliopsida; D011763:Pyrrolizidine Alkaloids / Q000009:adverse effects*; D013662:Tea / Q000009:adverse effects*
chemical_list: D011763:Pyrrolizidine Alkaloids; D013662:Tea