@misc{indiciaeddb7b916efc1, title = {Case-mix adjustment and efficiency measurement.}, author = {Magnus A Björkgren and Brant E Fries and Unto Häkkinen and Mats Brommels}, year = {2004}, doi = {10.1080/14034940410028235}, url = {https://pubmed.ncbi.nlm.nih.gov/15762032/}, note = {Source identifier: 15762032} }