id	keyword
bjos-8640832	calculus
bjos-8640832	salivary
bjos-8640832	oral
bjos-8640832	urea
bjos-8640832	disease
bjos-8640832	concentration
bjos-8640832	patients
bjos-8640832	albumin
bjos-8640832	presence
bjos-8640832	total
bjos-8640832	table
bjos-8640832	amylase
bjos-8640832	relationship