(Q34041644)
Statements
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Health care utilization in chronic obstructive pulmonary disease. A case-control study in a health maintenance organization (English)
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Mapel DW
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Hurley JS
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Frost FJ
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Petersen HV
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Picchi MA
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Coultas DB
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1 September 2000
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160
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17
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2653-2658
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Identifiers
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