@article{OeserBuchtaCouckeetal.2018,
  author    = {Reinhard Oeser and C Buchta and W Coucke and Winfried Mayr and MM M{\"u}ller and CR Schweiger and GF K{\"o}rm{\"o}czi},
  title     = {Evidence for the positive impact of ISO 9001 and ISO 15189 quality systems on laboratory performance - evaluation of immunohaematology external quality assessment results during 19 years in Austria},
  journal   = {Clinical Chemistry and Laboratory Medicine (CCLM)},
  volume    = {2018},
  number    = {56 (12)},
  pages     = {2039 -- 2046},
  year      = {2018},
}