No abstract available
MeSH terms
-
Adult
-
Aged
-
Aging
-
Arthritis, Rheumatoid / etiology*
-
Bronchiectasis / complications*
-
Bronchitis / complications*
-
Chronic Disease
-
Female
-
Humans
-
Male
-
Middle Aged
-
Pneumonia / complications
-
Retrospective Studies
-
Sex
-
Smoking