The significance of respiratory symptoms and the diagnosis of chronic bronchitis in a working population
Br Med J
.
1959 Aug 29;2(5147):257-66.
doi: 10.1136/bmj.2.5147.257.
Authors
C M FLETCHER
,
P C ELMES
,
A S FAIRBAIRN
,
C H WOOD
PMID:
13823475
PMCID:
PMC1990153
DOI:
10.1136/bmj.2.5147.257
No abstract available
MeSH terms
Bronchitis / diagnosis*
Bronchitis, Chronic*
Humans