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A spline for the time
- Correspondence to Joel Schwartz, Harvard School of Public Health, 401 Park Drive, P.O. Box 15677, Suite 415L West, Boston 02215, USA; jschwrtz{at}hsph.harvard.edu
Citation
A spline for the time
Publication history
- Accepted December 20, 2010
- First published May 26, 2011.
Online issue publication
September 01, 2022
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- Previous version (29 April 2016).
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© 2011, 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.