title: Comfrey toxicity revisited.
authors.forename: Dorena
authors.initials: D
authors.lastname: Rode
mesh_terms: D000818:Animals; D020844:Comfrey / Q000009:adverse effects / Q000633:toxicity*; D006801:Humans; D007928:Lethal Dose 50; D008099:Liver / Q000187:drug effects* / Q000201:enzymology; D011763:Pyrrolizidine Alkaloids / Q000633:toxicity*; D013329:Structure-Activity Relationship
chemical_list: D011763:Pyrrolizidine Alkaloids