Parola, P., Soula, G., Gazin, P., Foucault, C., Delmont, J., & Brouqui, P. (2006). Fever in travelers returning from tropical areas: prospective observational study of 613 cases hospitalised in Marseilles, France, 1999-2003. Travel Medicine and Infectious Disease, 4(2), 61-70. https://doi.org/10.1016/j.tmaid.2005.01.002