[Model for certification in specialty gastroenterology practice according to DIN ISO 900l].
Janetschek
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D002568:Certification / Q000331:legislation & jurisprudence*; D005762:Gastroenterology / Q000331:legislation & jurisprudence* / Q000592:standards*; D005858:Germany; D017410:Practice Guidelines as Topic; D011785:Quality Assurance, Health Care; D017749:Total Quality Management