POOLS OF FROZEN SERUM IN THE QUALITY CONTROL IN CLINICAL CHEMISTRY.
D001771:Blood Banks; D001774:Blood Chemical Analysis; D001786:Blood Glucose; D001806:Blood Urea Nitrogen; D002624:Chemistry, Clinical; D002712:Chlorides; D006801:Humans; D011786:Quality Control; D012964:Sodium; D014508:Urea
D001786:Blood Glucose; D002712:Chlorides; D014508:Urea; D012964:Sodium
BLOOD BANKS; BLOOD CHEMICAL ANALYSIS; BLOOD SUGAR; BLOOD UREA NITROGEN; CHLORIDES; SODIUM