title: The trials of cancer chemoprevention.
mesh_terms: D016588:Anticarcinogenic Agents / Q000009:adverse effects / Q000627:therapeutic use*; D016861:Cyclooxygenase Inhibitors / Q000009:adverse effects / Q000627:therapeutic use*; D006801:Humans; D009369:Neoplasms / Q000517:prevention & control*; D012307:Risk Factors
chemical_list: D016588:Anticarcinogenic Agents; D016861:Cyclooxygenase Inhibitors