"BKK system"--an initiative for efficient quality assessment in diagnostic laboratories of countries of the former Soviet Union.
Lapin
A
A
Endler
A T
AT
Moshkin
A
A
D001774:Blood Chemical Analysis / Q000592:standards*; D019411:Clinical Laboratory Techniques / Q000592:standards*; D006801:Humans; D007753:Laboratories / Q000592:standards*; D011786:Quality Control; D013997:Time Factors; D014586:USSR