Westergren E.S.R. and plastic containers.
D001565:Benzoates; D001793:Blood Preservation; D001799:Blood Sedimentation; D006801:Humans; D008420:Manufactured Materials; D010226:Parabens; D010969:Plastics
D001565:Benzoates; D010226:Parabens; D010969:Plastics; C015358:methylparaben
BENZOATES; BLOOD PRESERVATION; BLOOD SEDIMENTATION; METHYLPARABEN; PLASTICS