title: [An approved control system for the clinical chemical laboratory].
mesh_terms: D019411:Clinical Laboratory Techniques / Q000592:standards*; D005860:Germany, West; D007202:Indicators and Reagents / Q000592:standards; D007753:Laboratories / Q000592:standards; D007883:Legislation, Medical; D008722:Methods; D012698:Serologic Tests / Q000592:standards; D014894:Weights and Measures
chemical_list: D007202:Indicators and Reagents
vernacular_title: Ein bewährtes Kontrollsystem für das klinisch-chemische Laboratorium.