Eating bracken shoots.
D000818:Animals; D002273:Carcinogens; D004032:Diet / Q000009:adverse effects*; D006801:Humans; D007414:Intestinal Neoplasms / Q000209:etiology; D010947:Plants, Toxic; D013274:Stomach Neoplasms / Q000209:etiology
D002273:Carcinogens