[Subtype of hepatitis viruses and mutation in clinical study].
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D016174:Hepacivirus / Q000145:classification / Q000235:genetics*; D006509:Hepatitis B / Q000821:virology; D006515:Hepatitis B virus / Q000145:classification* / Q000235:genetics*; D006526:Hepatitis C / Q000821:virology; D006801:Humans; D009154:Mutation