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Randomized trial of periportal peritoneal bupivacaine for pain relief after laparoscopic cholecystectomy

LaparoscopyPeriportal Peritoneal BupivacainePain ReliefPain MedicineLaparoscopic CholecystectomyMedicinePostoperative Pain ManagementPerioperative PainPreoperative PainSurgeryPain ManagementAnesthesiaPerioperative MedicinePerioperative CareAnesthesiologyHealth Sciences