=== HTTP code : 301 ===

Response headers
================
HTTP/1.1 301 Moved Permanently
Location: https://bioopticsworld.com/articles/2015/10/handheld-nir-scanner-could-allow-real-time-3d-breast-cancer-screening.html
Content-Type: text/html; charset=utf-8
Date: Wed, 07 Aug 2019 03:59:59 GMT
Connection: close

Request headers
================
HEAD /articles/2015/10/handheld-nir-scanner-could-allow-real-time-3d-breast-cancer-screening.html HTTP/1.1
Host: bioopticsworld.com
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.102 Safari/537.36
Accept: */*
Referer: https://bme.fiu.edu
Connection: close


Link is valid.