title: Cooperating on childhood cancer.
authors.forename: S M
authors.initials: SM
authors.lastname: Sieber
authors.forename: S K
authors.initials: SK
authors.lastname: Galson
mesh_terms: D002648:Child; D006801:Humans; D009316:National Institutes of Health (U.S.); D009369:Neoplasms / Q000453:epidemiology / Q000209:etiology*; D014481:United States; D014484:United States Environmental Protection Agency