@misc{indiciae945ac5e53442, title = {Modeling cross-border care in the EU using a principal-agent framework.}, author = {L Crivelli and P Zweifel}, year = {1998}, doi = {10.1007/978-1-4615-5681-7\_12}, url = {https://pubmed.ncbi.nlm.nih.gov/10662406/}, note = {Source identifier: 10662406} }