id	keyword
bjos-8641053	patients
bjos-8641053	hiv
bjos-8641053	oral
bjos-8641053	lesions
bjos-8641053	study
bjos-8641053	aids
bjos-8641053	group
bjos-8641053	disease
bjos-8641053	control
bjos-8641053	haart
bjos-8641053	brazil