title: [Prevalence, clinical and public health significance of occult hepatitis B virus infection].
authors.forename: Li
authors.initials: L
authors.lastname: Zhang
authors.forename: Bing-yu
authors.initials: BY
authors.lastname: Yan
authors.forename: Li-ming
authors.initials: LM
authors.lastname: Li
mesh_terms: D006509:Hepatitis B / Q000453:epidemiology* / Q000517:prevention & control*; D006801:Humans; D015995:Prevalence; D015980:Public Health Practice