Open Access Pre-publication history

The REFER (REFer for EchocaRdiogram) protocol: a prospective validation of a clinical decision rule, NT-proBNP, or their combination, in the diagnosis of heart failure in primary care. Rationale and design

Lynda Tait, Andrea K Roalfe, Jonathan Mant, Martin R Cowie, Jonathan J Deeks, Rachel Iles, Pelham M Barton, Clare J Taylor, Marites Derit and FD Richard Hobbs*

BMC Cardiovascular Disorders 2012, 12:97  doi:10.1186/1471-2261-12-97

Pre-publication versions of this article and reviewers' reports

Original Submission - Version 1 Manuscript 25 Sep 2012
Resubmission - Version 2 Manuscript 25 Sep 2012
Resubmission - Version 3 Manuscript 17 Oct 2012
Editor's comment Editor's comment 17 Oct 2012
Editorial acceptance 17 Oct 2012
Published 30 Oct 2012