%0 Journal Article %T Preoperative versus Postoperative Ultrasound-Guided Quadratus Lumborum Block for Postoperative Analgesia Following Radical Nephrectomy, A Comparative Study %A Mohammad Ahmad Elewa, Gamal Eldin %A Maamoon, Rania Maher Hussien %A Wasfy, Sanaa Farag Mahmoud %A Abdelraouf Younis, Mohammed Mahmoud %J QJM: An International Journal of Medicine %V 117 %N Supplement_2 %P 1 %@ 1460-2725 %D 2024-11-20 %I Oxford University Press %~ DeepDyve