Article info
Extended report
Radiography as primary outcome in rheumatoid arthritis: acceptable sample sizes for trials with 3 months’ follow up
- Correspondence to:
Professor D van der Heijde
Department of Internal Medicine, Division of Rheumatology, University Hospital Maastricht, PO Box 5800, 6202 AZ Maastricht, The Netherlands; dhesint.azm.nl
Citation
Radiography as primary outcome in rheumatoid arthritis: acceptable sample sizes for trials with 3 months’ follow up
Publication history
- Accepted January 18, 2004
- First published March 22, 2004.
Online issue publication
October 12, 2004
Article Versions
- Previous version (22 March 2004).
- You are viewing the most recent version of this article.
Request permissions
If you wish to reuse any or all of this article please use the link below which will take you to the Copyright Clearance Center’s RightsLink service. You will be able to get a quick price and instant permission to reuse the content in many different ways.
Copyright information
Copyright 2004 by Annals of the Rheumatic Diseases