id	keyword
fens-1316	pesticide
fens-1316	food
fens-1316	residues
fens-1316	cucumber
fens-1316	environment
fens-1316	market
fens-1316	health
fens-1316	samples
fens-1316	journal
fens-1316	mrl
fens-1316	district
fens-1316	fruits