RT Journal Article
SR Electronic
T1 Quality control in routine haemoglobinometry
JF Journal of Clinical Pathology
JO J Clin Pathol
FD BMJ Publishing Group Ltd and Association of Clinical Pathologists
SP 701
OP 704
DO 10.1136/jcp.24.8.701
VO 24
IS 8
A1 I. Cavill
YR 1971
UL http://jcp.bmj.com/content/24/8/701.abstract
AB 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.