THE LIMITATIONS OF LABORATORY QUALITY CONTROL WITH REFERENCE TO THE "NUMBER PLUS" METHOD.
D001774:Blood Chemical Analysis; D002712:Chlorides; D003201:Computers; D001330:Electronic Data Processing; D006801:Humans; D007753:Laboratories; D011786:Quality Control; D012964:Sodium
D002712:Chlorides; D012964:Sodium
AUTOMATIC DATA PROCESSING; BLOOD CHEMICAL ANALYSIS; CHLORIDES; COMPUTERS, DIGITAL; SODIUM