Bacteria, nitrosamines and cancer of the stomach.
D001419:Bacteria / Q000378:metabolism*; D004739:England; D005260:Female; D006801:Humans; D008297:Male; D009566:Nitrates / Q000378:metabolism; D009602:Nitrosamines / Q000096:biosynthesis*; D013274:Stomach Neoplasms / Q000209:etiology* / Q000401:mortality; D001743:Urinary Bladder / Q000382:microbiology; D014881:Water Supply
D009566:Nitrates; D009602:Nitrosamines