id	keyword
inhs-153	o o
inhs-153	fish
inhs-153	illinois
inhs-153	model
inhs-153	ecosystem
inhs-153	water
inhs-153	assistant
inhs-153	percent
inhs-153	ph.d
inhs-153	table
inhs-153	degradation
inhs-153	pesticides
inhs-153	ppm
inhs-153	environmental
inhs-153	model ecosystem
inhs-153	snail
inhs-153	organisms
inhs-153	use
inhs-153	products
inhs-153	materials
inhs-153	alga
inhs-153	insecticide
inhs-153	mosquito
inhs-153	metcalf
inhs-153	survey
inhs-153	history
inhs-153	values
inhs-153	residues
inhs-153	natural
inhs-153	research
inhs-153	total
inhs-153	amounts
inhs-153	food
inhs-153	dieldrin
inhs-153	m.s
inhs-153	bulletin