title: Intervention strategies to assist caregivers of frail elders: current research status and future research directions.
mesh_terms: D000368:Aged; D005190:Family; D006266:Health Education; D006302:Health Services Research; D006701:Home Nursing; D006801:Humans; D001523:Mental Disorders / Q000453:epidemiology; D008605:Mental Health Services; D008960:Models, Psychological; D012144:Respite Care; D012657:Self-Help Groups; D012931:Social Environment; D012944:Social Support