title: Chemical and toxicological studies on bracken fern, Pteridium aquilinum var. latiusculum. I. Introduction, extraction and fractionation of constituents, and toxicological studies including carcinogenicity tests.
mesh_terms: D000818:Animals; D002273:Carcinogens / Q000302:isolation & purification*; D002417:Cattle; D055598:Chemical Phenomena; D002621:Chemistry; D006367:HeLa Cells / Q000187:drug effects; D051379:Mice; D010936:Plant Extracts / Q000032:analysis; D010939:Plant Poisoning; D010947:Plants, Toxic / Q000032:analysis; D051381:Rats; D014118:Toxins, Biological / Q000302:isolation & purification*
chemical_list: D002273:Carcinogens; D010936:Plant Extracts; D014118:Toxins, Biological