Epidemiology in country practice
N Engl J Med
.
1948 Sep 16;239(12):419-27.
doi: 10.1056/NEJM194809162391201.
Author
W N PICKLES
PMID:
18881637
DOI:
10.1056/NEJM194809162391201
No abstract available
MeSH terms
Epidemiology*
Humans
Rural Population*