1. World Organization of National Colleges, Academies and Academic Associations of General Practitioners/Family Physicians (World Organization of Family Doctors) WONCA Europe (2002) The European definition of General Practice/Family Medicine accessible at http://www.woncaeurope.org
2. Royal College of General Practitioners (2004) Radiology and the Patients of GPs: Joint statement of Royal College of General Practitioners and Royal College of Radiologists http://www.rcgp.org.uk/news_and_events/college_viewpoint/position_statements/radiology_and_the_patients_of.aspx
3. Allen J, Gay B, Crebolder H, Heyrman J, Svab I, Ram P (2002) The European definitions of the key features of the discipline of general practice: the role of the GP and core competencies. Br J Gen Pract 52:526–527
4. Radiological Society of North America (2008) Multispecialty Collaboration Seen as Key to Radiology’s Future. RSNA News http://www.rsna.org/Publications/rsnanews/June-2008/Multispecialty_Collaboration_feature.cfm
5. Speets AM, van der Graaf Y, Hoes AW, Kalmijn S, Sachs AP, Rutten MJ, Gratama JW, Montauban van Swijndregt AD, Mali WP (2006) Chest radiography in general practice: indications, diagnostic yield and consequences for patient management. Br J Gen Pract 56:574–578