title: A longitudinal study of family supports to impaired elderly.
mesh_terms: D000368:Aged; D002140:California; D005190:Family; D005260:Female; D006299:Health Services for the Aged / Q000639:trends*; D006701:Home Nursing / Q000523:psychology*; D006801:Humans; D008137:Longitudinal Studies; D008297:Male; D012931:Social Environment; D012944:Social Support