(Q34068285)
Statements
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Controlled trial of respiratory health worker visiting patients with chronic respiratory disability (English)
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A Cockcroft
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P Bagnall
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A Heslop
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N Andersson
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R Heaton
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J Batstone
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J Allen
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P Spencer
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A Guz
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1 January 1987
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294
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6566
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225-228
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Identifiers
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