Temporal trends in the incidence of malignant and nonmalignant primary brain and central nervous system tumors by the method of diagnosis in England, 1993–2017

por Ali, Usama M, Withrow, Diana R, Judge, Andrew D, Plaha, Puneet, Darby, Sarah C
Publicado 2023

Worldwide trends in volume and quality of published protocols of randomized controlled trials

por van Rosmalen, Belle V., Alldinger, Ingo, Cieslak, Kasia P., Wennink, Roos, Clarke, Mike, Ali, Usama Ahmed, Besselink, Marc G. H.
Publicado 2017

Correction: Worldwide trends in volume and quality of published protocols of randomized controlled trials

por van Rosmalen, Belle V., Alldinger, Ingo, Cieslak, Kasia P., Wennink, Roos, Clarke, Mike, Ali, Usama Ahmed, Besselink, Marc G. H.
Publicado 2017

Update of complications and functional outcome of the ileo-pouch anal anastomosis: overview of evidence and meta-analysis of 96 observational studies

por de Zeeuw, Sharonne, Ali, Usama Ahmed, Donders, Rogier A. R. T., Hueting, Willem E., Keus, Frederik, van Laarhoven, Cees J. H. M.
Publicado 2012

Erratum to: Update of complications and functional outcome of the ileo-pouch anal anastomosis: overview of evidence and meta-analysis of 96 observational studies

por de Zeeuw, Sharonne, Ahmed Ali, Usama, Donders, Rogier A. R. T., Hueting, Willem E., Keus, Frederik, van Laarhoven, Cees J. H. M.
Publicado 2012

Two decades of surgical randomized controlled trials: worldwide trends in volume and methodological quality

por Pronk, Aagje J M, Roelofs, Anne, Flum, David R, Bonjer, H Jaap, Abu Hilal, Mohammed, Dijkgraaf, Marcel G W, Besselink, Marc G, Ahmed Ali, Usama
Publicado 2023

External validation and recalibration of an incidental meningioma prognostic model – IMPACT: protocol for an international multicentre retrospective cohort study

por Islim, Abdurrahman I, Millward, Christopher P, Piper, Rory J, Fountain, Daniel M, Mehta, Shaveta, Kolamunnage-Dona, Ruwanthi, Ali, Usama, Koszdin, Shelli Diane, Georgious, Theo, Mills, Samantha J, Brodbelt, Andrew R, Mathew, Ryan K, Santarius, Thomas, Jenkinson, Michael D
Publicado 2022

Early surgery versus optimal current step-up practice for chronic pancreatitis (ESCAPE): design and rationale of a randomized trial

por Ahmed Ali, Usama, Issa, Yama, Bruno, Marco J, van Goor, Harry, van Santvoort, Hjalmar, Busch, Olivier RC, Dejong, Cornelis HC, Nieuwenhuijs, Vincent B, van Eijck, Casper H, van Dullemen, Hendrik M, Fockens, Paul, Siersema, Peter D, Gouma, Dirk J, van Hooft, Jeanin E, Keulemans, Yolande, Poley, Jan W, Timmer, Robin, Besselink, Marc G, Vleggaar, Frank P, Wilder-Smith, Oliver H, Gooszen, Hein G, Dijkgraaf, Marcel GW, Boermeester, Marja A
Publicado 2013

Pancreatitis, very early compared with normal start of enteral feeding (PYTHON trial): design and rationale of a randomised controlled multicenter trial

por Bakker, Olaf J, van Santvoort, Hjalmar C, van Brunschot, Sandra, Ali, Usama Ahmed, Besselink, Marc G, Boermeester, Marja A, Bollen, Thomas L, Bosscha, Koop, Brink, Menno A, Dejong, Cornelis H, van Geenen, Erwin J, van Goor, Harry, Heisterkamp, Joos, Houdijk, Alexander P, Jansen, Jeroen M, Karsten, Thom M, Manusama, Eric R, Nieuwenhuijs, Vincent B, van Ramshorst, Bert, Schaapherder, Alexander F, van der Schelling, George P, Spanier, Marcel BM, Tan, Adriaan, Vecht, Juda, Weusten, Bas L, Witteman, Ben J, Akkermans, Louis M, Gooszen, Hein G
Publicado 2011