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Vol. 455, no.7210, 11 September 2008.
The Journal of the Royal Society for the Promotion of Health.
Vol.128, no.5, September 2008.
Review of Medical and Veterinary Entomology.
Vol. 96, no.10, October 2008.
Helminthological Abstracts.
Vol. 77, no.10 Octomber 2008
Protozoological Abstracts.
Vol. 32, no.10, October 2008
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