id	keyword
cuesj-1513	nickel
cuesj-1513	liver
cuesj-1513	chloride
cuesj-1513	rats
cuesj-1513	vol
cuesj-1513	nickel chloride
cuesj-1513	changes
cuesj-1513	nicl2
cuesj-1513	effects
cuesj-1513	exposure
cuesj-1513	blood
cuesj-1513	degeneration