Impact of characteristics of organ failure and infected necrosis on mortality in necrotising pancreatitis von Schepers, Nicolien J, Bakker, Olaf J, Besselink, Marc G, Ahmed Ali, Usama, Bollen, Thomas L, Gooszen, Hein G, van Santvoort, Hjalmar C, Bruno, Marco J

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Impact of Preoperative Immunosuppressive Agents on Postoperative Outcomes in Crohn's Disease von USAMA AHMED ALI, MARTIN, Sean T, RAO, Abhishek D, KIRAN, Ravi P

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Systematic review and meta-analysis of randomized clinical trials (RCTs) comparing topical calcineurin inhibitors with topical corticosteroids for atopic dermatitis: A 15-year expe... von Broeders, Joris A., MD, PhD, Ahmed Ali, Usama, MD, Fischer, Gayle, MD

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Surgical treatment of ulcerative colitis:Ileorectal vs ileal pouch-anal anastomosis von Scoglio, Daniele, Ahmed Ali, Usama, Fichera, Alessandro

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Pain patterns in chronic pancreatitis: a nationwide longitudinal cohort study von Kempeneers, Marinus A, Issa, Yama, Verdonk, Robert C, Bruno, Marco, Fockens, P, van Goor, Harry, Alofs, Eline, Bollen, Thomas L, Bouwense, Stefan, van Dalen, Anne S H M, van Dieren, Susan, van Dullemen, Hendrik M, van Geenen, Erwin-Jan, Hoge, Chantal, van Hooft, Jeanin E, Kager, Liesbeth M, Keulemans, Yolande, Nooijen, Lynn E, Poley, Jan-Werner, Seerden, Tom C J, Tan, Adriaan, Thijs, Willem, Timmer, Robin, Vleggaar, Frank, Witteman, Ben, Ahmed Ali, Usama, Besselink, Marc G, Boermeester, Marja A, van Santvoort, Hjalmar C

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Plate fixation or intramedullary fixation for midshaft clavicle fractures: a systematic review and meta-analysis of randomized controlled trials and observational studies von Houwert, Roderick M., MD, PhD, Smeeing, Diederik P.J., MD, Ahmed Ali, Usama, MD, MSc, Hietbrink, Falco, MD, PhD, Kruyt, Moyo C., MD, PhD, van der Meijden, Olivier A., MD, PhD

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Open versus laparoscopic (assisted) ileo pouch anal anastomosis for ulcerative colitis and familial adenomatous polyposis von Ahmed Ali, Usama, Keus, Frederik, Heikens, Joost T, Bemelman, Willem A, Berdah, Stephane V, Gooszen, H G, van Laarhoven, Cees JHM, Ahmed Ali, Usama

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Risk of Pancreatic Cancer After a Primary Episode of Acute Pancreatitis von Rijkers, Anton P, Bakker, Olaf J, Ahmed Ali, Usama, Hagenaars, Julia C J P, van Santvoort, Hjalmar C, Besselink, Marc G, Bollen, Thomas L, van Eijck, Casper H

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Worldwide trends in volume and quality of published protocols of randomized controlled trials von van Rosmalen, Belle V, Alldinger, Ingo, Cieslak, Kasia P, Wennink, Roos, Clarke, Mike, Ahmed Ali, Usama, Besselink, Marc G H

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Actual versus estimated length of stay after colorectal surgery: which factors influence a deviation? von Ahmed Ali, Usama, M.D, Dunne, Tony, M.D, Gurland, Brooke, M.D, Vogel, Jon D., M.D, Kiran, Ravi P., M.D

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Update of complications and functional outcome of the ileo-pouch anal anastomosis: overview of evidence and meta-analysis of 96 observational studies von de Zeeuw, Sharonne, Ali, Usama Ahmed, Donders, Rogier A. R. T., Hueting, Willem E., Keus, Frederik, van Laarhoven, Cees J. H. M.

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Laparoscopic Anterior Versus Posterior Fundoplication for Gastroesophageal Reflux Disease: Systematic Review and Meta-Analysis of Randomized Clinical Trials von BROEDERS, Joris A, ROKS, David J, USAMA AHMED ALI, DRAAISMA, Werner A, SMOUT, André J, HAZEBROEK, Eric J

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Endoscopic or surgical intervention for painful obstructive chronic pancreatitis von Ahmed Ali, Usama, Pahlplatz, Johanna M, Nealon, Wiliam H, van Goor, Harry, Gooszen, Hein G, Boermeester, Marja A

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Preoperative opioid use and the outcome of thoracoscopic splanchnicectomy in chronic pancreatitis: a systematic review von Issa, Yama, Ali, Usama Ahmed, Bouwense, Stefan A. W., van Santvoort, Hjalmar C., van Goor, Harry

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Bioactive versus bare platinum coils for the endovascular treatment of intracranial aneurysms: systematic review and meta-analysis of randomized clinical trials von Broeders, Joris A, Ahmed Ali, Usama, Molyneux, Andrew J, Poncyljusz, Wojciech, Raymond, Jean, White, Phillip M, Steinfort, Brendan

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Risk of Recurrent Pancreatitis and Progression to Chronic Pancreatitis After a First Episode of Acute Pancreatitis von Ahmed Ali, Usama, Issa, Yama, Hagenaars, Julia C, Bakker, Olaf J, van Goor, Harry, Nieuwenhuijs, Vincent B, Bollen, Thomas L, van Ramshorst, Bert, Witteman, Ben J, Brink, Menno A, Schaapherder, Alexander F, Dejong, Cornelis H, Spanier, B.W. Marcel, Heisterkamp, Joos, van der Harst, Erwin, van Eijck, Casper H, Besselink, Marc G, Gooszen, Hein G, van Santvoort, Hjalmar C, Boermeester, Marja A

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Extrapancreatic necrosis without pancreatic parenchymal necrosis: a separate entity in necrotising pancreatitis? von Bakker, Olaf J, van Santvoort, Hjalmar, Besselink, Marc G H, Boermeester, Marja A, van Eijck, Casper, Dejong, Kees, van Goor, Harry, Hofker, Sijbrand, Ahmed Ali, Usama, Gooszen, Hein G, Bollen, Thomas L

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Laparoscopic anterior 180-degree versus nissen fundoplication for gastroesophageal reflux disease: systematic review and meta-analysis of randomized clinical trials von Broeders, Joris A, Roks, David J, Ahmed Ali, Usama, Watson, David I, Baigrie, Robert J, Cao, Zhanguo, Hartmann, Jens, Maddern, Guy J

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Predicting Success of Catheter Drainage in Infected Necrotizing Pancreatitis von Hollemans, Robbert A, Bollen, Thomas L, van Brunschot, Sandra, Bakker, Olaf J, Ali, Usama Ahmed, van Goor, Harry, Boermeester, Marja A, Gooszen, Hein G, Besselink, Marc G, van Santvoort, Hjalmar C

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Endoscopic or surgical intervention for painful obstructive chronic pancreatitis von Ahmed Ali, Usama, Pahlplatz, Johanna M, Nealon, Wiliam H, van Goor, Harry, Gooszen, Hein G, Boermeester, Marja A, Ahmed Ali, Usama

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