Perbandingan persepsi nyeri terapi analgetik ketorolac dan meloxicam pada pasien pasca ureterorenoskopi di RS Meuraxa, Banda Aceh: single blinded randomized controlled trial = Comparison of pain perception between ketorolac and meloxicam as analgetic in post ureterorenoscopy patients in Meuraxa Hospital, Banda Aceh: single blinded randomized controlled trial