Prudhvi, G. S. S. R., Shyam, N. S. S. N., & Acharya, A. (2019). Evaluation of the efficacy of 150 micrograms of intrathecal morphine with bupivacaine compared to 250 micrograms for postoperative analgesia following abdominal hysterectomy: a double blinded randomized control study. International Journal of Clinical Trials, 6(1), 17–22. https://doi.org/10.18203/2349-3259.ijct20190257