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4 A comparison of methods for directly estimating risk ratios from cohort or cross-sectional injury studies
Citation
4 A comparison of methods for directly estimating risk ratios from cohort or cross-sectional injury studies
Publication history
- First published June 9, 2015.
Online issue publication
September 24, 2018
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© 2015, Published by the BMJ Publishing Group Limited. For permission to use (where not already granted under a licence) please go to http://group.bmj.com/group/rights-licensing/permissions