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