Hepatitis B virus surface Ag:PrThr:Pt:CSF:Ord
hepatitis b virus surface ag:prthr:pt:csf:ord
Hepatitis B virus surface Antigen:Presence or Threshold:To identify measures at a point in time:Cerebral spinal fluid:Ordinal
hepatitis b virus surface antigen:presence or threshold:to identify measures at a point in time:cerebral spinal fluid:ordinal