title: Of coliforms and cancer.
mesh_terms: D001711:Biotransformation; D004926:Escherichia coli / Q000378:metabolism; D006801:Humans; D007422:Intestines / Q000382:microbiology*; D009369:Neoplasms / Q000139:chemically induced; D009566:Nitrates / Q000378:metabolism; D009573:Nitrites / Q000378:metabolism; D009609:Nitrous Oxide / Q000009:adverse effects / Q000378:metabolism*
chemical_list: D009566:Nitrates; D009573:Nitrites; D009609:Nitrous Oxide