title: Risks of cancer and families.
authors.forename: Marvin
authors.initials: M
authors.lastname: Zelen
mesh_terms: D015982:Bias; D006801:Humans; D009369:Neoplasms / Q000175:diagnosis* / Q000453:epidemiology* / Q000235:genetics / Q000517:prevention & control; D011159:Population Surveillance; D018570:Risk Assessment