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 &Amp; Health Sciences Nawabshah. (JPUMHS) 6 (2):51-59. http://publication.pumhs.edu.pk/index.php/ojs/article/view/413.