Kallapur, B., H. S., Y. and Sheikh, S. I. (2019) “A prospective randomised double-blind study of comparison of efficacy and safety of dexmedetomidine and clonidine as adjuvants to intrathecal isobaric ropivacaine 0.75% in lower limb surgeries”, International Journal of Research in Medical Sciences, 7(3), pp. 711–716. doi: 10.18203/2320-6012.ijrms20190538.