title: Esophageal cancer, micronutrient malnutrition, and silica fragments.
mesh_terms: D000818:Animals; D002523:Edible Grain / Q000009:adverse effects*; D004938:Esophageal Neoplasms / Q000209:etiology*; D006801:Humans; D008897:Panicum / Q000009:adverse effects*; D012822:Silicon Dioxide / Q000009:adverse effects*
chemical_list: D012822:Silicon Dioxide