Helmig B and I Lapsley (2001). “On the Efficiency of Public, Welfare and Private Hospitals in Germany over Time: A Sectoral Data Envelopment Analysis Study.” Health Services Management Research 14(4): 263-274.
Helmig B and I Lapsley (2001). “On the Efficiency of Public, Welfare and Private Hospitals in Germany over Time: A Sectoral Data Envelopment Analysis Study.” Health Services Management Research 14(4): 263-274.