(Q46900590)
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GOLD classifications and mortality in chronic obstructive pulmonary disease: the HUNT Study, Norway (English)
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Arnulf Langhammer
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Linda Leivseth
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Ben Michael Brumpton
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Tom Ivar Lund Nilsen
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Xiao-Mei Mai
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Roar Johnsen
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23 April 2013
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68
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10
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914-921
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