1. Glied S Smith PC (2011) The Oxford Handbook of Health Economics (Oxford University Press).
2. Salvadori P Primary care In Italy. European Forum for Primary Care. www.euprimarycare.org/column/primary-care-italy. accessed 9 May 2017 .
3. Italian Government 1991 Legislative Decree 256/1991. Official Gazzette of the Italian Republic. www.gazzettaufficiale.it/atto/serie_generale/caricaDettaglioAtto/originario?atto.dataPubblicazioneGazzetta=1991-08-16&atto.codiceRedazionale=091G0300&elenco30giorni=false. accessed 7 Jun 2017 .
4. Italian Government Legislative Decree 277/2003. www.parlamento.it/parlam/leggi/deleghe/03277dl.htm. accessed 9 May 2017 .
5. Italian Government Legislative Decree 368/1999. www.camera.it/parlam/leggi/deleghe/99368dl.htm. accessed 9 May 2017 .