Specimens stored at -20 degrees Celsius or cooler:Find:Pt:^Patient:Ord
specimens stored at -20 degrees celsius or cooler:find:pt:^patient:ord
Specimens stored at -20 degrees Celsius or cooler:Finding:To identify measures at a point in time:^Patient:Ordinal
specimens stored at -20 degrees celsius or cooler:finding:to identify measures at a point in time:^patient:ordinal