REHMAN, H A, et al. “The Role of Sodium Tetradecycl Sulphate (S.T.D.) As Sclerosing Agent in the Management of 1st & 2nd Degree Haemorrhoids”. Annals of King Edward Medical University, vol. 7, no. 2, Oct. 2017, doi:10.21649/akemu.v7i2.1833.