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History
- Received for publication April 16, 2003
- Revision received December 16, 2009
- Accepted for publication December 31, 2009
- Published online July 19, 2010.
Copyright & Usage
© 2010 Annals of Family Medicine, Inc.
Author Information
- 1Family & Community Medicine, University of Texas Health Science Center at San Antonio, San Antonio, Texas
- 2Epidemiology and Biostatistics, University of Texas Health Science Center at San Antonio, San Antonio, Texas
- CORRESPONDING AUTHOR: David Katerndahl, MD, UTHSCSA 7703, Floyd Curl Drive, San Antonio, TX 78229-3900, katerndahl{at}uthscsa.edu