. . . . . . . . . . . . "[Sera of patients infected with B19 acutely or persistently shows intense viraemia (up to 10(12) virus particles/ ml) but extraction of B19 DNA from serum is a problematic task.]. 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 . "2014-10-02T12:40:51+02:00"^^ . . . . . . . . . . . "v2.1.0.0" . "v2.1.0" .