@article{FrohnerMenseKrondrafetal.,
  author    = {Frohner, Matthias and Mense, Alexander and Krondraf, Nikolaus and Sabutsch, Stefan},
  title     = {Implementierungsleitfaden HL7 Implementation Guide for CDA® R2: Implementierungsleitfaden Meldung an das Epidemiologische Meldesystem (EMS) - Labor-und Arztmeldung, ELGA GmbH},
  series = {ELGA CDA Implementierungsleitf{\"a}den HL7},
  volume    = {2020},
  journal   = {ELGA CDA Implementierungsleitf{\"a}den HL7},
  subject      = {eHealth},
  language  = {de}
}
@article{FrohnerSabutschKrondraf,
  author    = {Frohner, Matthias and Sabutsch, Stefan and Krondraf, Nikolaus},
  title     = {ELGA CDA Implementierungsleitf{\"a}den HL7 Implementation Guide for CDA® R2: Ambulanzbefund, ELGA GmbH},
  series = {ELGA CDA Implementierungsleitf{\"a}den HL7},
  volume    = {2020},
  journal   = {ELGA CDA Implementierungsleitf{\"a}den HL7},
  subject      = {eHealth},
  language  = {de}
}