id	keyword
bam-10778	hematoma
bam-10778	subdural
bam-10778	doi
bam-10778	epidural
bam-10778	spinal
bam-10778	rat
bam-10778	pain
bam-10778	acute
bam-10778	brain
bam-10778	rats
bam-10778	anesthesia
bam-10778	group
bam-10778	puncture
bam-10778	epub
bam-10778	study
bam-10778	head