id	keyword
cuesj-1571	food
cuesj-1571	contamination
cuesj-1571	samples
cuesj-1571	restaurant
cuesj-1571	ppm
cuesj-1571	safety
cuesj-1571	cadmium
cuesj-1571	species
cuesj-1571	bacteria
cuesj-1571	lead
cuesj-1571	vol
cuesj-1571	health
cuesj-1571	identification