Singhal, G., Choudhary, S. and Saxena, A. K. (2023) “Comparison of thoracic segmental spinal anaesthesia and lumbar spinal anaesthesia for percutaneous nephrolithotomy”, International Journal of Research in Medical Sciences, 11(11), pp. 4147–4153. doi: 10.18203/2320-6012.ijrms20233390.