Cloudflare fetched the original article and streamed it through HTMLRewriter to apply an entirely new visual system without rebuilding the source page.
// request.cf · coarse context
A page that knows where it met you.
Only coarse request metadata is shown. This demo does not display or persist visitor IP addresses.
↑"Human PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.
↑"Mouse PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.
↑Kile BT, Schulman BA, Alexander WS, Nicola NA, Martin HM, Hilton DJ (Jun 2002). "The SOCS box: a tale of destruction and degradation". Trends Biochem Sci. 27 (5): 235–41. doi:10.1016/S0968-0004(02)02085-6. PMID12076535.