7 (12): 1068–1075. doi:10.1046/j.1365-3156.2002.00944.x. PMID 12460399. ↑ "Outbreak(s) of Ebola haemorrhagic fever, Congo and Gabon, October 2001-July 2002". Releve epidemiologique hebdomadaire / Section d'hygiene du Secretariat de la Societe des Nations = Weekly epidemiological record / Health Section of the Secretariat of the League of Nations.