1. Starfield B. ¿Es la Atención Primaria esencial? Lancet 1994; 344:1129-33.
2. Macinko J, Starfield B, Shi L., The Contribution of Primary Care Systems to Health Outcomes within Organization for Economic Cooperation and Development (OECD) countries, 1970-1998. Health Services Research. June 2003;38:3.
3. Saltman RB, Rico A, Boerma, W (editors). Primary care in the driver’s seat? Organizational reform in European primary care. European Observatory on Health Systems and Policies Series. Berkshire: Open University Press; 2006.
4. Grishaw JM, Winkens RAG, Shurran L, Cunningham C, Mayhew A, Thomas R, et al. Interventions to improve outpatient referrals from primary care to secondary care (Cochrane Review). En: The Cochrane Library, Issue 1, 2007. [Internet]. Oxford: Update Software. Disponible en: http://212.169.42.7/newgenClibPlus/pdf/CD005471-ES.pdf.
5. Kringos DS, Boerma WGW, Hutchinson A, Saltman RB (editors). Building primary care in a changing Europe: Case studies. [Internet]. Copenhagen (Denmark): European Observatory on Health Systems and Policies; 2015. PMID: 29064645. Disponible en: https://www.euro.who.int/__data/assets/pdf_file/0018/271170/BuildingPrimaryCareChangingEurope.pdf