[Quality assurance in heart surgery based on the example of DGTHG administration statistics].
Beckmann
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DGTHG, Berlin. andreasbeckmann@online.de
Krian
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D002300:Cardiac Care Facilities / Q000592:standards* / Q000706:statistics & numerical data; D005858:Germany; D006801:Humans; D011785:Quality Assurance, Health Care; D013903:Thoracic Surgery / Q000592:standards* / Q000706:statistics & numerical data