Wang, F., Guo, D., Sun, T. and Guan, K. (2019) “A comparative study on short-term therapeutic effects of percutaneous transforaminal endoscopic discectomy and microendoscopic discectomy on lumbar disc herniation: Treatment of lumbar disc herniation”, Pakistan Journal of Medical Sciences, 35(2). doi: 10.12669/pjms.35.2.650.