Singh Ajay Randomized controlled trial to compare the clinical efficacy of intrathecal plain levobupivacaine and bupivacaine in spinal anaesthesia for the patients undergoing infraumbilical surgery Singh Ajay; Dr. Anshu Gupta Gu.; Dr. Maitree Pandey Gu. - 2015 Standard No.: 21723 Source: Theses Subjects--Topical Terms: ANESTHETICS