Ultra‐Deep Pyrosequencing of Hepatitis B Virus Quasispecies from Nucleoside and Nucleotide Reverse‐Transcriptase Inhibitor (NRTI)–Treated Patients and NRTI‐Naive Patients

Abstract
The dynamics of emerging nucleoside and nucleotide reverse-transcriptase inhibitor (NRTI) resistance in hepatitis B virus (HBV) are not well understo