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Serum alkaline phosphatase determinations performed with a commercially available tablet procedure for rapid semiquantitative assay gave results that were found to be reliable and in agreement with quantitative assays performed by the Bodansky procedure. In a study of the sera of 2000 hospital patients, more than 70 per cent of all the assays requested yielded normal values. Since precise determinations in the normal range are generally not required for clinical interpretation, routine use of the semiquantitative test for preliminary screening would have eliminated this percentage of the tedious quantitative assays.
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Babson et al. (1960) studied this question.
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