Sartaj, M.; Maqbool, A.; Hamid, R.; Sajad, M.; Zargar, A. W.; Mohamad, M. EFFECT OF PREMEDICATION WITH SINGLE DOSE ORAL ADMINISTRATION OF NON-STEROID, STEROID AND OPIOID COMBINATION ON POST-ENDODONTIC PAIN IN PATIENTS OF IRREVERSIBLE PULPITIS WITH APICAL PERIODONTITIS: A RANDOMIZED CLINICAL TRIAL. IJPBA 2019, 7.