PM-SCL extractable nuclear Ab:PrThr:Pt:Ser:Ord
pm-scl extractable nuclear ab:prthr:pt:ser:ord
PM-SCL extractable nuclear Antibody:Presence or Threshold:To identify measures at a point in time:Serum:Ordinal
pm-scl extractable nuclear antibody:presence or threshold:to identify measures at a point in time:serum:ordinal