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Subject
- 138 Humans
- 119 Female
- 119 Middle Aged
- 116 Male
- 96 Adult
- 42 Respiratory System
- 42 Young Adult
- 41 Adolescent
- 40 Aged, 80 and over
- 31 Pulmonary Disease, Chronic Obstru...
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Date issued
- 20 2020 - 2023
- 98 2010 - 2019
- 16 2000 - 2009
- 4 1995 - 1999
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- 138 true
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- 125 Journal Article
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- 54 closed_access
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- 1 In Progress
- 1 recently_added