The boundaries of mild chronic obstructive pulmonary disease (COPD): Design of the searching clinical COPD onset (SOON) study
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BMJ Publishing Group
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8
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Abstract
INTRODUCTION:
Clinical onset of chronic obstructive pulmonary disease (COPD) is the point at which the disease is first identifiable by physicians. It is a poorly defined stage which seems to include...
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Citation
Labarca G, Bustamante A, Valdivia G, et al. The boundaries of mild
chronic obstructive pulmonary disease (COPD): design of the searching clinical COPD onset (SOON) study. BMJ Open
2017;7:e015731. doi:10.1136/bmjopen-2016-015731
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