id	keyword
bjos-8649599	pcr
bjos-8649599	bacteria
bjos-8649599	detection
bjos-8649599	positive
bjos-8649599	samples
bjos-8649599	specificity
bjos-8649599	sensitivity
bjos-8649599	gingivalis
bjos-8649599	comparison
bjos-8649599	treatment
bjos-8649599	subgingival
bjos-8649599	oral
bjos-8649599	pathogens