Bias
Lancet
.
1993 Jul 31;342(8866):286-8.
doi: 10.1016/0140-6736(93)91823-5.
Authors
C Sitthi-amorn
1
,
V Poshyachinda
Affiliation
1
Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand.
PMID:
8101308
DOI:
10.1016/0140-6736(93)91823-5
No abstract available
MeSH terms
Bias*
Confounding Factors, Epidemiologic
Humans
Selection Bias