Acute gastrointestinal bleeding
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PII: S0001-2998(03)00033-3
doi:10.1016/S0001-2998(03)00033-3
© 2003 Elsevier Inc. All rights reserved.
PII: S0001-2998(03)00033-3
doi:10.1016/S0001-2998(03)00033-3
© 2003 Elsevier Inc. All rights reserved.