Azam, Muhammad, et al. “ADMINISTRATION OF SALINE INJECTION IN EPIDURAL SPACE AVOIDS INTRAVASCULAR CATHETER INSERTION IN PATIENTS UNDERGOING CAESARIAN SECTION: A RANDOMIZE CONTROLLED TRIAL”. Annals of King Edward Medical University, vol. 21, no. 4, Jan. 2016, p. 257, doi:10.21649/akemu.v21i4.768.