id	domain	url
dentistry3000-894	dentistry3000.pitt.edu	http://dentistry3000.pitt.edu
dentistry3000-894	dentistry3000.pitt.edu	http://dentistry3000.pitt.edu
dentistry3000-894	dentistry3000.pitt.edu	http://dentistry3000.pitt.edu
dentistry3000-894	hdl.handle.net	http://hdl.handle.net/10147/622539
dentistry3000-894	www.podj.com.pk	https://www.podj.com.pk/index.php/podj/article/view/97
dentistry3000-894	www.ncbi.nlm.nih.gov	http://www.ncbi.nlm.nih.gov/pubmed/24883008