- AEFA: https://www.aefa.es/?option=com_content&task=view&id=77&Itemid=158
- Programas de calidad. United Kingdon National External Quality Assessment Service: https://ukneqas.org.uk/
- Normas AENOR: https://www.aenor.es/desarrollo/normalizacion/normas
- Guía Salud: https://portal.guiasalud.es/
- Guías Fisterra: https://www.fisterra.com/
- Guidelines and Recomendations for Laboratory Analysis in the Diagnosis and Management of Diabetes Mellitus: https://academic.oup.com/clinchem/article/48/3/436/5641618
- Definition, Diagnosis and Classification of Diabetes Mellitus and its Complications: https://www.staff.ncl.ac.uk/philip.home/who_dmc.htm
- Riesgo Cardiovascular: Consensus Panel Guide to Comprehensive Risk Reduction for Adult Patients Without Coronary or Other Atherosclerotic Vascular Diseases. AHA Guidelines for Primary Prevention of Cardiovascular disease and Stroke: 2002 Update: https://www.ahajournals.org/doi/pdf/10.1161/01.cir.0000020190.45892.75
- National Guide Cleringhouse: https://www.ahrq.gov/gam/index.html