=== HTTP code : 200 ===

Response headers
================
HTTP/2 200 
date: Sat, 10 May 2025 00:06:57 GMT
content-type: application/pdf
content-length: 236742
server: cloudflare
last-modified: Fri, 12 Jun 2015 23:16:20 GMT
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Request headers
================
HEAD /sites/default/files/article-pdfs/Ulrich-1984-CHD-KPS.pdf HTTP/2
Host: www.healthdesign.org
user-agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/104.0.5112.34 Safari/537.36
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referer: https://greenmanual.rutgers.edu
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Link is valid.