title: An evaluation of two methods of laboratory quality control.
abstract: Two methods for quality control of automated blood counters have been compared: (1) monitoring results from patients' samples, and (2) analysis of results of a stable whole-blood control. The latter method proved better able to distinguish calibration changes from patient variation.
mesh_terms: D004909:Erythrocyte Indices; D006403:Hematologic Tests / Q000592:standards*; D006801:Humans; D008722:Methods; D011786:Quality Control