id	keyword
bjos-8661322	halitosis
bjos-8661322	stress
bjos-8661322	individuals
bjos-8661322	depression
bjos-8661322	self
bjos-8661322	students
bjos-8661322	symptoms
bjos-8661322	oral
bjos-8661322	study
bjos-8661322	doi
bjos-8661322	scores
bjos-8661322	variables