Male medicine.medical_specialty Pain, Postoperative business.industry Postsurgical pain Nerve Block Ultrasound guided Surgery 03 medical and health sciences 0302 clinical medicine Anesthesiology and Pain Medicine Cholecystectomy, Laparoscopic 030202 anesthesiology Transversus Abdominis Plane Block Case-Control Studies Medicine Humans Female business Laparoscopic cholecystectomy 030217 neurology & neurosurgery Ultrasonography, Interventional Abdominal Muscles Retrospective Studies