title: [Detection of hepatitis B virus covalently closed circular DNA:  clinical application].
authors.affiliation: Changzheng Hospital Affiliated to the Second Military Medical University, Shanghai 200002, China.
authors.forename: Ke-kai
authors.initials: KK
authors.lastname: Zhao
authors.forename: Xiao-hui
authors.initials: XH
authors.lastname: Miao
mesh_terms: D004270:DNA, Circular / Q000302:isolation & purification*; D004279:DNA, Viral / Q000302:isolation & purification*; D006509:Hepatitis B / Q000175:diagnosis*; D006515:Hepatitis B virus / Q000235:genetics*; D006801:Humans
chemical_list: D004270:DNA, Circular; D004279:DNA, Viral