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Said MA, Perl TM, Sears CL (November 2008). "Healthcare epidemiology: gastrointestinal flu: norovirus in health care and long-term care facilities". Clinical Infectious Diseases 47 (9): 1202–8. DOI:10.1086/592299PMID18808354.
Le Guyader FS, Krol J, Ambert-Balay K, Ruvoen-Clouet N, Desaubliaux B, Parnaudeau S, Le Saux JC, Ponge A, Pothier P, Atmar RL, Le Pendu J (March 2010). "Comprehensive Analysis of a Norovirus-Associated Gastroenteritis Outbreak, from the Environment to the Consumer". Journal of Clinical Microbiology 48 (3): 915–20. DOI:10.1128/JCM.01664-09PMID20053852PMC2832421.