Ishio, Junichi Evaluation of ultrasound-guided posterior quadratus lumborum block for postoperative analgesia after laparoscopic gynecologic surgery. [electronic resource] - Journal of clinical anesthesia Sep 2017 - 1-4 p. digital Publication Type: Journal Article; Randomized Controlled Trial ISSN: 1873-4529 Standard No.: 10.1016/j.jclinane.2017.05.015 doi Subjects--Topical Terms: Abdominal Muscles--diagnostic imagingAdultAmides--administration & dosageAnalgesia--methodsAnalgesics, Opioid--administration & dosageAnesthesia, GeneralAnesthetics, Local--administration & dosageFemaleGynecologic Surgical Procedures--adverse effectsHumansLaparoscopy--adverse effectsMiddle AgedNerve Block--methodsPain MeasurementPain, Postoperative--etiologyProspective StudiesRopivacaineUltrasonography, Interventional