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PubMed: http:\/\/www.ncbi.nlm.nih.gov\/entrez\/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=32171076&dopt=Abstract, Crossref: http:\/\/dx.doi.org\/10.1016%2FS0140-6736(20)30566-3","DOI":"10.1016\/S0140-6736(20)30566-3"},{"key":"ref=8","unstructured":"Statistisk sentralbyr\u00e5. Befolkning og kvartalsvise endringar, etter region, statistikkvariabel og kvartal: Asker og B\u00e6rum, 2019."},{"key":"ref=9","unstructured":"Corman\u00a0VM, Landt\u00a0O, Kaiser\u00a0M et al. Detection of 2019 novel coronavirus (2019-nCoV) by real-time RT-PCR. Euro Surveill 2020; 25. doi: 10.2807\/1560-7917.ES.2020.25.3.2000045. PubMed: http:\/\/www.ncbi.nlm.nih.gov\/entrez\/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=31992387&dopt=Abstract, Crossref: http:\/\/dx.doi.org\/10.2807%2F1560-7917.ES.2020.25.3.2000045"},{"key":"ref=10","doi-asserted-by":"crossref","unstructured":"Charlson\u00a0ME, Pompei\u00a0P, Ales\u00a0KL et al. 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The Third International Consensus Definitions for Sepsis and Septic Shock (Sepsis-3). JAMA 2016; 315: 801\u201310. PubMed: http:\/\/www.ncbi.nlm.nih.gov\/entrez\/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=26903338&dopt=Abstract, Crossref: http:\/\/dx.doi.org\/10.1001%2Fjama.2016.0287"},{"key":"ref=16","doi-asserted-by":"crossref","unstructured":"Spindler\u00a0C, Str\u00e5lin\u00a0K, Eriksson\u00a0L et al. Swedish guidelines on the management of community-acquired pneumonia in immunocompetent adults\u2013Swedish Society of Infectious Diseases 2012. Scand J Infect Dis 2012; 44: 885\u2013902. PubMed: http:\/\/www.ncbi.nlm.nih.gov\/entrez\/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=22830356&dopt=Abstract, Crossref: http:\/\/dx.doi.org\/10.3109%2F00365548.2012.700120","DOI":"10.3109\/00365548.2012.700120"},{"key":"ref=17","doi-asserted-by":"crossref","unstructured":"Lim\u00a0WS, van der Eerden\u00a0MM, Laing\u00a0R et al. 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