title: [Natural carcinogens: carcinogenicity of bracken].
mesh_terms: D000236:Adenoma / Q000139:chemically induced; D000818:Animals; D002273:Carcinogens / Q000032:analysis*; D002430:Cecal Neoplasms / Q000139:chemically induced; D005260:Female; D007082:Ileum; D007414:Intestinal Neoplasms / Q000139:chemically induced; D008297:Male; D009369:Neoplasms / Q000209:etiology*; D010936:Plant Extracts; D010945:Plants, Edible / Q000032:analysis*; D051381:Rats; D012509:Sarcoma / Q000139:chemically induced
chemical_list: D002273:Carcinogens; D010936:Plant Extracts