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Zahra, S. H.; Ullah, Q.; Rehman, U. A.; Hanif, A.; Bhatti, S. U. Post-Operative Pain Comparison Between Peri-Operative Bupivacaine Infiltration Vs Post-Operative Opioids Analgesics in Patient Undergoing Abdominal Surgery in First 6 Hours. Int J Front Sci 2018, 2, 26-32.