SARS attack: reality vs perception collide during students' Beijing visit.
D002681:China / Q000453:epidemiology; D004196:Disease Outbreaks / Q000517:prevention & control; D006801:Humans; D033181:Information Dissemination; D008402:Mass Media; D015980:Public Health Practice; D045169:Severe Acute Respiratory Syndrome / Q000453:epidemiology / Q000517:prevention & control; D014195:Travel; D014481:United States / Q000453:epidemiology