1. Primary care: concept, evaluation, and policy;Starfield,1992
2. Allen J, Gay B, Crebolder H, Heyrman J, Svab I, Ram P. The European definition of general practice/family medicine. SemFYC, EURACT Barcelona: WONCA [Internet]. 2011; Available from: https://www.woncaeurope.org/file/520e8ed3-30b4-4a74-bc35-87286d3de5c7/Definition%203rd%20ed%202011%20with%20revised%20wonca%20tree.pdf
3. Operational framework for primary health care: transforming vision into action,2020
4. Building primary care in a changing Europe,2015
5. How well did Norwegian general practice prepare to address the COVID-19 pandemic?;Alsnes;Family Med. community health,2020