id	keyword
bioethics02-49261	soil
bioethics02-49261	concentration
bioethics02-49261	area
bioethics02-49261	bangladesh
bioethics02-49261	study
bioethics02-49261	vegetation
bioethics02-49261	metal
bioethics02-49261	coastal
bioethics02-49261	sample
bioethics02-49261	journal
bioethics02-49261	ecosystem
bioethics02-49261	average
bioethics02-49261	water
bioethics02-49261	coverage