By Enright Paul   Quanjer Philip   in COPD: Journal of Chronic Obstructive Pulmonary Disease

ISSN:1541-2555|4|2|89-90

Informa Healthcare‎(2007)‎

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By Quanjer Philip H   in International Journal of Epidemiology

ISSN:1464-3685|41|5|1490-1490

Oxford University Press‎(2012)‎

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By Quanjer Philip H   Ruppel Gregg L   in Respiratory Care

ISSN:0020-1324|56|11|1861-1863

The Journal Respiratory Care Company‎(2011)‎

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By Quanjer Philip H   Enright Paul L   Ruppel Gregg L     in Respiratory Care

ISSN:0020-1324|55|10|1397-1398

The Journal Respiratory Care Company‎(2010)‎

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