id	keyword
crl-14887	scientists
crl-14887	journal
crl-14887	access
crl-14887	library
crl-14887	retrieval
crl-14887	percent
crl-14887	research
crl-14887	articles
crl-14887	libraries
crl-14887	references
crl-14887	information
crl-14887	literature