Directionality in epidemiologic research
J Clin Epidemiol
.
1988;41(8):705-7.
doi: 10.1016/0895-4356(88)90153-9.
Author
A R Feinstein
1
Affiliation
1
Yale University School of Medicine, New Haven, CT 06510-8025.
PMID:
3418357
DOI:
10.1016/0895-4356(88)90153-9
No abstract available
MeSH terms
Epidemiologic Methods*
Research Design / standards*