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Understanding immortal time bias in observational cohort studies
Ho, A. M.-H., Dion, P. W., Ng, C. S. H., Karmakar, M. K.Volume:
68
Language:
english
Journal:
Anaesthesia
DOI:
10.1111/anae.12120
Date:
February, 2013
File:
PDF, 146 KB
english, 2013