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Delves, Peter J. et al. Roitt’s Essential Immunology. Thirteenth edition. Chichester, West Sussex: John Wiley & Sons, Ltd, 2017. Web. <https://ebookcentral.proquest.com/lib/bristol/detail.action?docID=4747111>.
Goering, Richard V. et al. Mims’ Medical Microbiology and Immunology. Sixth edition. Edinburgh: Elsevier, 2019. Web. <http://linker2.worldcat.org/?jHome=https%3A%2F%2Febookcentral.proquest.com%2Flib%2Fbristol%2Fdetail.action%3FdocID%3D5493081&amp;linktype=best>.
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