1. Global epidemiology of infectious diseases;Beal,1991
2. African trypanosomiasis in American travelers: A 20-year review;Bryan,1989
3. Acute schistosomiasis with transverse myelitis in American students returning from Kenya;MMWR,1984
4. Acute respiratory illness among cruise-ship passengers—Asia;MMWR,1988
5. Korean hemorrhagic fever;MMWR,1988