| 2005 |
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Veterans Affairs Greater Los Angeles Healthcare System, David Geffen School of Medicine at University of California, Los Angeles, and Center for the Study of Digestive Healthcare Quality and Outcomes, Los Angeles, California 90073, USA. · Pubmed 15897532
- VA Greater Los Angeles Health Care System, Division of Gastroenterology/Hepatology, David Geffen School of Medicine at UCLA, 90073, USA. · Pubmed 16128943
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