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. 2012 Nov 28:938–965. doi: 10.1016/B978-1-4160-4390-4.00134-X

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Copyright © 2013 Elsevier Inc. All rights reserved.

Since January 2020 Elsevier has created a COVID-19 resource centre with free information in English and Mandarin on the novel coronavirus COVID-19. The COVID-19 resource centre is hosted on Elsevier Connect, the company's public news and information website. Elsevier hereby grants permission to make all its COVID-19-related research that is available on the COVID-19 resource centre - including this research content - immediately available in PubMed Central and other publicly funded repositories, such as the WHO COVID database with rights for unrestricted research re-use and analyses in any form or by any means with acknowledgement of the original source. These permissions are granted for free by Elsevier for as long as the COVID-19 resource centre remains active.

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FIGURE 134.5.8 — Clinical evidence of increased systemic vascular permeability: chemosis (edema of the conjunctiva) 48 hours after a bite by Russell's viper (Daboia siamensis) in Burma

(© David A. Warrell).