id	keyword
bam-8643	pain
bam-8643	crps
bam-8643	patients
bam-8643	aspirin
bam-8643	regional
bam-8643	syndrome
bam-8643	complex
bam-8643	study
bam-8643	radius
bam-8643	fracture
bam-8643	group
bam-8643	pain syndrome