title: Cancer: what should be done?
authors.forename: J M
authors.initials: JM
authors.lastname: Bishop
mesh_terms: D004032:Diet; D004787:Environmental Pollution / Q000009:adverse effects; D016481:Helicobacter Infections / Q000150:complications; D016480:Helicobacter pylori; D006801:Humans; D009369:Neoplasms / Q000209:etiology* / Q000517:prevention & control*; D012907:Smoking; D014777:Virus Diseases / Q000150:complications