The FDA approves DNA test to measure hepatitis B virus levels.
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D004279:DNA, Viral / Q000032:analysis*; D006509:Hepatitis B / Q000175:diagnosis* / Q000821:virology; D006515:Hepatitis B virus / Q000235:genetics*; D006801:Humans; D021141:Nucleic Acid Amplification Techniques; D014481:United States; D014486:United States Food and Drug Administration / Q000331:legislation & jurisprudence*
D004279:DNA, Viral