title: [Some problems should be paid attention to in research on cancer prevention and epidemiology].
authors.forename: Yu-tang
authors.initials: YT
authors.lastname: Gao
mesh_terms: D000367:Age Factors; D004781:Environmental Exposure; D006801:Humans; D009369:Neoplasms / Q000453:epidemiology* / Q000517:prevention & control*; D012106:Research