Hira Shujaat1 , Mehreen Khan2 , Ravi Kumar3 , Muhammad Waseem Abdul Razzak4 , Vijai Kumar5 , Zamir Ahmad6 . 2023. COMPARISON OF OUTCOME OF 0.5% HYPERBARIC BUPIVACAINE WITH 0.5% HYPERBARIC ROPIVACAINE IN SPINAL ANAESTHESIA FOR PERIANAL SURGERIES.: http://doi.org/10.46536/jpumhs/2023/13.01.392. Journal of Peoples University of Medical & Health Sciences Nawabshah. (JPUMHS). 13, 1 (Mar. 2023), 99–109.