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Cleaveland S, Fèvre EM, Kaare M, Coleman PG.Cleaveland S, et al.Bull World Health Organ. 2002;80(4):304-10.Bull World Health Organ. 2002.PMID: 12075367Free PMC article.
Kaare M, Lembo T, Hampson K, Ernest E, Estes A, Mentzel C, Cleaveland S.Kaare M, et al. Among authors: cleaveland s.Vaccine. 2009 Jan 1;27(1):152-60. doi: 10.1016/j.vaccine.2008.09.054. Epub 2008 Oct 9.Vaccine. 2009.PMID: 18848595Free PMC article.