PubMed · 5130537
Quality control in routine haemoglobinometry.
Abstract
An analysis of haemoglobin estimations in a routine laboratory shows that quality control methods based on mean values are unsatisfactory. The use of a cusum method together with control samples is a sensitive and convenient technique for the early discovery of minor deviations in results and it is not dependent on a stable population of patients.
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I Cavill. 1971. Quality control in routine haemoglobinometry.. https://doi.org/10.1136/jcp.24.8.701
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