Home economics.
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D000368:Aged; D003152:Community Health Nursing / Q000191:economics*; D017046:Cost Savings; D005851:Geriatric Nursing / Q000191:economics*; D006299:Health Services for the Aged / Q000191:economics*; D006699:Home Care Services / Q000191:economics*; D006801:Humans; D013222:State Medicine / Q000191:economics*