id	keyword
crl-16949	access
crl-16949	articles
crl-16949	access articles
crl-16949	citation
crl-16949	antelman
crl-16949	study
crl-16949	sites
crl-16949	advantage
crl-16949	science
crl-16949	access citation
crl-16949	research
crl-16949	journal
crl-16949	author
crl-16949	citation advantage
crl-16949	results
crl-16949	studies