title: Informing the elderly about public services: the relationship between sources of knowledge and service utilization.
mesh_terms: D000368:Aged; D001900:Boston; D006299:Health Services for the Aged / Q000706:statistics & numerical data*; D006801:Humans; D007255:Information Services; D008875:Middle Aged; D009826:Old Age Assistance; D011632:Public Assistance