id	domain	url
cet-3913	www.aidic.it	www.aidic.it/cet
cet-3913	www.thefullwiki.org	http://www.thefullwiki.org/henry_john_horstman_fenton
cet-3913	www.thefullwiki.org	http://www.thefullwiki.org/henry_john_horstman_fenton
cet-3913	dx.doi.org	https://dx.doi.org/10.1055%2fs-2007-979057
cet-3913	en.wikipedia.org	https://en.wikipedia.org/wiki/pubmed_identifier
cet-3913	www.ncbi.nlm.nih.gov	https://www.ncbi.nlm.nih.gov/pubmed/9288572