id	keyword
alces-166	et al
alces-166	magna
alces-166	moose
alces-166	deer
alces-166	fluke
alces-166	liver
alces-166	infection
alces-166	f. magna
alces-166	hosts
alces-166	minnesota
alces-166	journal
alces-166	parasite
alces-166	alces
alces-166	pybus
alces-166	fascioloides
alces-166	2001
alces-166	vannatta
alces-166	snail
alces-166	habitat