1 Subjects: “...Quality of Health Care...”

2 Subjects: “...Quality of Health Care...”

3 “...Relationship between volume and quality for stem cell transplantations...”

4 “...Relationship between volume and quality for stem cell transplantations...”

5 Subjects: “...Quality of Health Care...”

6 “...Relationship between volume and quality for stem cell transplantations...”

7 “...Relationship between volume and quality in breast cancer surgery...”

8

9 “... resection or ablation commonly used in German health care (loop resection and/or rollerball ablation as well...”

10 “...Relationship volume of services and quality for heart transplantations...”

11 “...Relationship between volume of services and quality for oesophageal surgery...”

12 “...Relationship between volume of services and quality for oesophageal surgery...”

13 “...Relationship volume of services and quality for kidney transplantations...”

14 “...Relationship volume of services and quality for kidney transplantations...”

15 “...Relationship between volume and quality for liver transplantations...”

16 “...Relationship between volume and quality for liver transplantations...”

17 “... with regard to pain reduction, but also a hint of lesser benefit of this method with regard to health-related...”

18 “... the lack of evidence by conducting resource-intensive interventional studies of high methodological quality...”

19 “... in quality and transparency, however, the identified health economic evaluations are of very limited use...”

20