Maqsood Ahmed Siddiqui, Safia Maqsood Siddiqui, Gulshan Ali Memo 2016. Haemodynamic Changes and Onset of Sensory Block during Caesarean Section using Isobaric 0.5% and Hyperbaric 0.75% Bupivacaine Intrathecally . Journal of Peoples University of Medical & Health Sciences Nawabshah. (JPUMHS). 6, 2 (Jun. 2016), 51–59.