title: Clinical investigative activities of the Eppley Cancer Institute. IV.
mesh_terms: D005770:Gastrointestinal Neoplasms / Q000473:pathology*; D006801:Humans; D009329:Nebraska; D009369:Neoplasms / Q000473:pathology* / Q000517:prevention & control; D009780:Occult Blood; D011188:Potassium / Q000378:metabolism*; D011874:Radiometry; D012106:Research
chemical_list: D011188:Potassium