APA

Williams E. J., Taylor S., Fairclough P., Hamlyn A., Logan R. F., Martin D., Riley S. A., Veitch P., Wilkinson M. L., Williamson P. R. & Lombard M. (20070828). Risk factors for complication following ERCP; results of a large-scale, prospective multicenter study. : Endoscopy.

Chicago

Williams E J, Taylor S, Fairclough P, Hamlyn A, Logan R F, Martin D, Riley S A, Veitch P, Wilkinson M L, Williamson P R and Lombard M. 20070828. Risk factors for complication following ERCP; results of a large-scale, prospective multicenter study. : Endoscopy.

Harvard

Williams E. J., Taylor S., Fairclough P., Hamlyn A., Logan R. F., Martin D., Riley S. A., Veitch P., Wilkinson M. L., Williamson P. R. and Lombard M. (20070828). Risk factors for complication following ERCP; results of a large-scale, prospective multicenter study. : Endoscopy.

MLA

Williams E J, Taylor S, Fairclough P, Hamlyn A, Logan R F, Martin D, Riley S A, Veitch P, Wilkinson M L, Williamson P R and Lombard M. Risk factors for complication following ERCP; results of a large-scale, prospective multicenter study. : Endoscopy. 20070828.