Interlaboratory surveys to assess performance: more than proficiency testing.
Wisconsin State Laboratory of Hygiene, University of Wisconsin-Madison, USA.
David J
DJ
Hassemer
D003625:Data Collection; D006801:Humans; D007753:Laboratories / Q000458:organization & administration*; D017056:Medical Laboratory Personnel / Q000592:standards*; D013647:Task Performance and Analysis; D014481:United States