id	keyword
bam-8748	fibrin
bam-8748	disc
bam-8748	discectomy
bam-8748	lumbar
bam-8748	herniation
bam-8748	patients
bam-8748	group
bam-8748	sealant
bam-8748	study
bam-8748	recurrence
bam-8748	pain
bam-8748	surgery
bam-8748	months
bam-8748	fibrin sealant