Open Access Highly Accessed Research article

A cross-validation of the provisional diagnostic instrument (PDI-4)

Douglas E Faries1*, John P Houston23, Ellen M Sulcs4 and Ralph W Swindle1

Author Affiliations

1 Lilly Research Laboratories, Indianapolis, IN, USA

2 Department of Psychiatry, Indiana University School of Medicine, Indianapolis, IN, USA

3 INC Research, Raleigh, NC, USA

4 Harris Interactive, Rochester, NY, USA

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BMC Family Practice 2012, 13:104  doi:10.1186/1471-2296-13-104

Published: 15 October 2012

Additional files

Additional file 1:

Provisional Diagnostic Instrument (PDI-4).

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