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Secular trends and evaluation of complex interventions: the rising tide phenomenon
- Correspondence to Professor Richard Lilford, Warwick Centre for Applied Health Research & Delivery, Division of Health Sciences, Warwick Medical School, University of Warwick, Coventry CV4 7AL, UK; R.J.Lilford{at}warwick.ac.uk
Citation
Secular trends and evaluation of complex interventions: the rising tide phenomenon
Publication history
- Received May 7, 2015
- Revised September 4, 2015
- Accepted September 13, 2015
- First published October 6, 2015.
Online issue publication
April 19, 2016
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- Previous version (6 October 2015).
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Published by the BMJ Publishing Group Limited. For permission to use (where not already granted under a licence) please go to http://www.bmj.com/company/products-services/rights-and-licensing/ This is an Open Access article distributed in accordance with the terms of the Creative Commons Attribution (CC BY 4.0) license, which permits others to distribute, remix, adapt and build upon this work, for commercial use, provided the original work is properly cited. See: http://creativecommons.org/licenses/by/4.0/