1. Travel, influenza and prevention;Can. Com. Dis. Report,1996
2. Update: outbreak of severe acute respiratory syndrome, Worldwide, 2003;No authors listed;MMWR,2003
3. Travel associated illness in 838 french tourists in Nepal in 1984;Caumes;Travel Med. Int.,1991
4. Impact of travel-related health impairments;Bruni;J. Travel Med.,1997
5. Health problems in a large cohort of Americans travelling to developing countries;Hill;J. Travel Med.,2000