Primary malignant lymphoma of the brain : frequent abnormalities and inactivation of p14 tumor suppressor gene .
B-DiseaseOrPhenotypicFeature I-DiseaseOrPhenotypicFeature I-DiseaseOrPhenotypicFeature I-DiseaseOrPhenotypicFeature I-DiseaseOrPhenotypicFeature I-DiseaseOrPhenotypicFeature O O O O O O B-GeneOrGeneProduct B-DiseaseOrPhenotypicFeature O O O