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Adult
Humans
Iceland
Chronic Obstructive
2
Lung
2
Lungnasjúkdómar
2
Prevalence
2
Primary Health Care
2
Pulmonary Disease
2
Questionnaires
2
Reykingar
2
Severity of Illness Index
2
Smoking
2
Smoking Cessation
2
Spirometry
2
Time Factors
2
80 and over
1
Aged
1
Akureyri
1
Biological Markers
1
Bone Marrow Examination
1
Deficiency Diseases
1
Erythrocyte Indices
1
Female
1
Ferritins
1
Heilsugæsla
1
Heilsugæslustöðvar
1
Heislugæsla
1
Hematologic Tests
1
Iron
1
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