- Dr Y Yamaoka, Rm 3A320, Veterans Affairs Medical Centre (111D), 2002 Holcombe Blvd, Houston, TX 77030, USA.
- Accepted June 23, 1999
- First published December 1, 1999.
An error occurred in the keys to figures 4 and 5 of the paper by Yamaoka et al (Gut 1999;45:804-11). Gastritis should be represented by open circles and duodenal ulcer by closed circles. We apologise for any confusion this error may have caused.
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