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Time-dependent study entries and exposures in cohort studies can easily be sources of different and avoidable types of bias
Wolkewitz, Martin, Allignol, Arthur, Harbarth, Stephan, de Angelis, Giulia, Schumacher, Martin, Beyersmann, JanVolume:
65
Language:
english
Journal:
Journal of Clinical Epidemiology
DOI:
10.1016/j.jclinepi.2012.04.008
Date:
November, 2012
File:
PDF, 291 KB
english, 2012