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Levaggi L, Levaggi R.Levaggi L, et al.Int J Health Care Finance Econ. 2010 Sep;10(3):239-56. doi: 10.1007/s10754-010-9079-x. Epub 2010 Mar 23.Int J Health Care Finance Econ. 2010.PMID: 20309636
Levaggi L, Levaggi R.Levaggi L, et al.Dev Health Econ Public Policy. 2014;12:179-200. doi: 10.1007/978-88-470-5480-6_8.Dev Health Econ Public Policy. 2014.PMID: 24864387