RESPONSE AND FOLLOW-UP BIAS IN COHORT STUDIES
RESPONSE AND FOLLOW-UP BIAS IN COHORT STUDIES
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DOI:
10.1093/oxfordjournals.aje.a112451
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发表时间:
1977-01-01
影响因子:
5
通讯作者:
GREENLAND, S
中科院分区:
文献类型:
--
作者:
GREENLAND, S
A hypothetical example of selection bias in an epidemiological cohort study (5 yr follow-up of the risk of developing a disease associated with an exposure factor) is presented to examine criteria for unbiased response and follow-up in cohort studies.