Ghosh, A., Ghorai, D. and Dutta, D. (2020) “A comparative study of efficacy between transforaminal epidural injection and selective nerve root block in disc prolapse of L4-L5 and L5-S1”, International Journal of Research in Medical Sciences, 9(1), pp. 155–161. doi: 10.18203/2320-6012.ijrms20205835.