A polymorphism of C-to-T substitution at -31 IL1B is associated with the risk of advanced gastric adenocarcinoma in a Japanese population .
O O O B-SequenceVariant I-SequenceVariant I-SequenceVariant I-SequenceVariant B-GeneOrGeneProduct O O O O O O O B-DiseaseOrPhenotypicFeature I-DiseaseOrPhenotypicFeature O O O O O