A potential bias in the estimation of vaccine efficacy...

A potential bias in the estimation of vaccine efficacy through observational study designs

JOSEPH, K S
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Volume:
18
Year:
1989
Language:
english
Journal:
International Journal of Epidemiology
DOI:
10.1093/ije/18.3.729-a
File:
PDF, 235 KB
english, 1989
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