Hepatitis B virus surface Ag:PrThr:Pt:Ser/Plas:Ord:Neut
hepatitis b virus surface ag:prthr:pt:ser/plas:ord:neut
Hepatitis B virus surface Antigen:Presence or Threshold:To identify measures at a point in time:Serum/Plasma:Ordinal:Virus Neutralization
hepatitis b virus surface antigen:presence or threshold:to identify measures at a point in time:serum/plasma:ordinal:virus neutralization