Oil price risk exposure and the cross-section of stock returns: The case of net exporting countries von Demirer, Rıza, Jategaonkar, Shrikant P., Khalifa, Ahmed A.A.

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Chatbots: Security, privacy, data protection, and social aspects von Hasal, Martin, Nowaková, Jana, Ahmed Saghair, Khalifa, Abdulla, Hussam, Snášel, Václav, Ogiela, Lidia

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Surgeon handedness affects the acetabular cup positioning during primary total hip arthroplasty regardless of the surgical approach. a systematic review and metanalysis von Khalifa, Ahmed A, Hassan, Ahmed Abdelazim

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Advances in alkali-activation of clay minerals von Khalifa, Ahmed Z., Cizer, Özlem, Pontikes, Yiannis, Heath, Andrew, Patureau, Pascaline, Bernal, Susan A., Marsh, Alastair T.M.

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Sensorless contact force estimation and robust impedance control for a quadrotor manipulation system von Khalifa, Alaa, Fanni, Mohamed, Khalifa, Ahmed

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Scenario-based forecast for the electricity demand in Qatar and the role of energy efficiency improvements von Khalifa, Ahmed, Caporin, Massimiliano, Di Fonzo, Tommaso

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Femoral head avascular necrosis in COVID-19 survivors: a systematic review von Hassan, Ahmed Abdelazim A., Khalifa, Ahmed A.

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Deep learning for procedural content generation von Liu, Jialin, Snodgrass, Sam, Khalifa, Ahmed, Risi, Sebastian, Yannakakis, Georgios N., Togelius, Julian

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Interposition Arthroplasty in an Acute Setting to Treat Unexpected Denuded Distal Humerus Articular Cartilage After AO 13C2.2 Distal Humerus Fracture, Surgical Technique, and a Cas... von Arafa, Mohamed, Khalifa, Ahmed A.

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Locator Versus Bar Attachment Effect on the Retention and Stability of Implant‐Retained Maxillary Overdenture: An In Vitro Study von ELsyad, Moustafa Abdou, Dayekh, Mahmoud Abdehamid, Khalifa, Ahmed Khalifa

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Total knee arthroplasty post-high tibial osteotomy, results of an early experience from a North African arthroplasty unit, and a comprehensive review of the literature von Abdelaal, Ahmed M, Khalifa, Ahmed A

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Patterns of volatility transmissions within regime switching across GCC and global markets von Khalifa, Ahmed A.A., Hammoudeh, Shawkat, Otranto, Edoardo

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Radiological evolution of progestogen‐induced meningioma: A monocentric retrospective study von Ahmed‐Khalifa, Taghla, Gillet, Romain, Blonski, Marie, Rech, Fabien, Fresse, Audrey, Gillet, Pierre, Taillandier, Luc, Petitpain, Nadine

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Posterior cruciate ligament tibial insertion avulsion, management by open reduction and internal fixation using plate and screws through a direct posterior approach von Khalifa, Ahmed A., Elsherif, Mohamed Eslam, Elsherif, Essam, Refai, Omar

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Letter to the editor: Modified Stoppa as an alternative surgical approach for fixation of anterior fracture acetabulum: a randomized control clinical trial von Khalifa, Ahmed A

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Reply to Letter to the Editor regarding the article: “Joint preservation surgery for correcting adolescents’ spasmodic flatfoot deformity: early results from a Specialized North Af... von Khalifa, Ahmed A., Tawfik, Mohamed, Fadle, Amr A.

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Does the placement of acetabular cups differ between right and left sides for a right-handed surgeon operating through a direct lateral approach? A comparative study von Khalifa, Ahmed A, Abdelaal, Ahmed M

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The evolution of surgical hip dislocation utilization and indications over the past two decades: a scoping review von Khalifa, Ahmed A., Hassan, Tohamy G., Haridy, Mohamed A.

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Management of anterior associated types of acetabular fractures utilizing the modified Stoppa and the pararectus approaches: a prospective cohort study and early experience from a... von Fergany, Ali, Khalifa, Ahmed A., Mohamedean, Aly, Adam, Faisal Fahmy, Farouk, Osama

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Atraumatic Lateral Tibial Plateau Periprosthetic Insufficiency Fracture after Primary Total Knee Arthroplasty: A Case Report von Abdelaal, Ahmed M, Khalifa, Ahmed A

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