Childhood Adenotonsillectomy Trial

4.2.5.5 Setup of Draw Tube and Aliquot Racks

To facilitate accurate tracking of collecte blood collection tube rack with the set of draw tubes, pre-labeled with the provided participant ID labels. The tubes should be in the rack according to the order in which they are to be drawn, as specified above. An aliquot rack, with 20 pre-labeled cryovial should be set up to correspond with each participant’s blood collection tube rack.