id	domain	url
cet-4968	www.aidic.it	www.aidic.it/cet
cet-4968	www.sciencedirect.com	http://www.sciencedirect.com/science/article/pii/s0025326x14000071
cet-4968	linkinghub.elsevier.com	http://linkinghub.elsevier.com/retrieve/pii/s096399691100336x
cet-4968	www.pubmedcentral.nih.gov	http://www.pubmedcentral.nih.gov/articlerender.fcgi?artid=3853726&tool=pmcentrez&rendertype=abstra
cet-4968	linkinghub.elsevier.com	http://linkinghub.elsevier.com/retrieve/pii/s0960852414003174
cet-4968	www.sciencedirect.com	http://www.sciencedirect.com/science/article/pii/s0141022997000124
cet-4968	www.ncbi.nlm.nih.gov	http://www.ncbi.nlm.nih.gov/pubmed/20728528
cet-4968	www.ncbi.nlm.nih.gov	http://www.ncbi.nlm.nih.gov/pubmed/20678925
cet-4968	linkinghub.elsevier.com	http://linkinghub.elsevier.com/retrieve/pii/s1364032110001619
cet-4968	www.ncbi.nlm.nih.gov	http://www.ncbi.nlm.nih.gov/pubmed/19272769