The American Journal of Gastroenterology > 2003 > 98 > 9 Supplement > S257-S258
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Identyfikatory
ISSN czasopisma : | 0002-9270 |
DOI | 10.1016/S0002-9270(03)01547-8 |
The American Journal of Gastroenterology > 2003 > 98 > 9 Supplement > S257-S258
ISSN czasopisma : | 0002-9270 |
DOI | 10.1016/S0002-9270(03)01547-8 |