id	keyword
mkg-797	herpes
mkg-797	virus
mkg-797	ulcers
mkg-797	oral
mkg-797	recurrent
mkg-797	infection
mkg-797	patient
mkg-797	ulceration
mkg-797	simplex
mkg-797	human
mkg-797	hsv
mkg-797	viral
mkg-797	skin
mkg-797	mouth