Screening for upper gastrointestinal tract malignancies☆
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☆ Supported by the Robert Wood Johnson Minority Medical Faculty Development Program and National Institutes of Health Grant No. K23 DK59311.
PII: S0093-7754(04)00239-8
doi:10.1053/j.seminoncol.2004.04.018
© 2004 Elsevier Inc. All rights reserved.
