Severe acute respiratory syndrome: imported cases of severe acute respiratory syndrome to Singapore had impact on national epidemic.
Wilder-Smith
Annelies
A
Paton
Nicholas I
NI
D003140:Communicable Disease Control; D004196:Disease Outbreaks; D006801:Humans; D045169:Severe Acute Respiratory Syndrome / Q000453:epidemiology*; D012846:Singapore / Q000453:epidemiology; D014195:Travel