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Abstract
Mesh: See more » CommunicationCrowdingDisease Transmission, Infectious/prevention & controlEmergency Medical Services/organization & administrationHumansMass BehaviorPublic HealthRisk Management/methodsRisk Management/organization & administrationTravel MedicineWorld Health Organization
Year: 2011 PMID: 21969942
Source DB: PubMed Journal: Wkly Epidemiol Rec ISSN: 0049-8114