id	keyword
mkg-1677	micronucleus
mkg-1677	cells
mkg-1677	frequency
mkg-1677	hair
mkg-1677	exposure
mkg-1677	group
mkg-1677	study
mkg-1677	mucosa
mkg-1677	hairdressers
mkg-1677	increase
mkg-1677	chemical
mkg-1677	test
mkg-1677	duration
mkg-1677	substances