(Q50953735)
Statements
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Depressive symptoms and the cost of health services in HMO patients aged 65 years and older. A 4-year prospective study. (English)
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J Unützer
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D L Patrick
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G Simon
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D Grembowski
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E Walker
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C Rutter
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W Katon
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1 May 1997
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277
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1618-1623
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20
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Identifiers
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