HTLV I gp21e Ab:PrThr:Pt:Ser:Ord
htlv i gp21e ab:prthr:pt:ser:ord
HTLV I gp21e Antibody:Presence or Threshold:To identify measures at a point in time:Serum:Ordinal
htlv i gp21e antibody:presence or threshold:to identify measures at a point in time:serum:ordinal