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Carbon dioxide insufflation does not reduce pain scores during colonoscope insertion in unsedated patients: a randomized, controlled trial

Pain TherapyInterventional Pain MedicineHealth SciencesPain MedicinePostoperative Pain ManagementGastroenterologyPreoperative PainColonoscope InsertionPain ManagementSurgeryAnesthesiaMedicineCarbon Dioxide InsufflationPain ScoresAnesthesiologyPain Research