“PREVENTION OF SPINAL ANAESTHESIA INDUCED HYPOTENSION IN ELECTIVE CESAREAN SECTION: A COMPARISON OF RINGER LACTATE, PENTASTARCH 6% AND POLYGELATIN 3.5% AS PRELOADING FLUIDS”. International Journal of Biomedical and Advance Research, vol. 1, no. 5, Dec. 2011, pp. 150-5, https://doi.org/10.7439/ijbr.v1i1.246.