. . . . . . . . . . . . "[Cryopreserved leukemia cells from 25 children between 2 and 5 years of age at the time of diagnosis and classified as having `common` ALL (B-precursor ALL expressing the CD19 and CD10 surface antigens) were tested for the presence of polyomavirus sequences using standard PCR methods.]. Sentence from MEDLINE/PubMed, a database of the U.S. National Library of Medicine."@en . . . . . "2014-02-25"^^ . . "Gene-disease associations inferred from text-mining the literature."@en . "DisGeNET evidence - LITERATURE"@en . "2014-10-02T12:38:05+02:00"^^ . . . . . . . . . . . "v2.1.0.0" . "v2.1.0" .