Article info
PDFPoster Presentation
Epidemiology, health services and outcome research
FRI0525 Methodological challenges when comparing demographic and clinical characteristics of international observational studies.
Citation
FRI0525 Methodological challenges when comparing demographic and clinical characteristics of international observational studies.
Publication history
- First published January 23, 2014.
Online issue publication
April 13, 2016
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© 2013, 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