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Davies A, Blakeley AGH, Kidd C, McGeown JG. Human physiology. Edinburgh: Churchill Livingstone; 2001.
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Costanzo LS. Physiology [Internet]. Fifth edition. Philadelphia: Saunders/Elsevier; 2014. Available from: https://ebookcentral.proquest.com/lib/bristol/detail.action?docID=1479991