Expert's comment concerning Grand Rounds case entitled "Minimal access bilateral transforaminal lumbar interbody fusion for high-grade isthmic spondylolisthesis" (by Nasir A. Quraishi and Y. Raja Rampersaud; doi:10.1007/s00586-012-2623-2).

Expert's comment concerning Grand Rounds case entitled "Minimal access bilateral transforaminal lumbar interbody fusion for high-grade isthmic spondylolisthesis" (by Nasir A. Quraishi and Y. Raja Rampersaud; doi:10.1007/s00586-012-2623-2).