title: The Cancer Information Service: the national picture.
authors.forename: C D
authors.initials: CD
authors.lastname: Hallett
mesh_terms: D015277:Hotlines / Q000458:organization & administration*; D006801:Humans; D007255:Information Services / Q000458:organization & administration*; D009369:Neoplasms / Q000517:prevention & control*; D014481:United States