Abbas, S. et al. 2021. EFFECT OF SINGLE-DOSE PREGABALIN ON POSTOPERATIVE PAIN IN DACRYOCYSTORHINOSTOMY SURGERY: Pregabalin Effect Postdacryocystorhinostomy. Pakistan Armed Forces Medical Journal. 71, 5 (Oct. 2021), 1553–58. DOI:https://doi.org/10.51253/pafmj.v71i5.5418.