title: A coupled external/internal quality control program for clinical laboratories in the Netherlands.
abstract: A coupled external/internal quality control program in the Netherlands is discussed. The statistics used in the program are considered. These are based on an analysis of variance scheme with replicates. The "reference" values, that are computed, are very similar to the values obtained with the best analytical methods.
mesh_terms: D007753:Laboratories / Q000592:standards*; D009426:Netherlands; D011786:Quality Control; D012016:Reference Values; D013223:Statistics as Topic