APA
Freed K. S., Paulson E. K., Frederick M. G., Preminger G. M., Shusterman D. J., Keogan M. T., Vieweg J., Smith R. H., Nelson R. C., Delong D. M. & Leder R. A. (19981015). Interobserver variability in the interpretation of unenhanced helical CT for the diagnosis of ureteral stone disease. : Journal of computer assisted tomography.
Chicago
Freed K S, Paulson E K, Frederick M G, Preminger G M, Shusterman D J, Keogan M T, Vieweg J, Smith R H, Nelson R C, Delong D M and Leder R A. 19981015. Interobserver variability in the interpretation of unenhanced helical CT for the diagnosis of ureteral stone disease. : Journal of computer assisted tomography.
Harvard
Freed K. S., Paulson E. K., Frederick M. G., Preminger G. M., Shusterman D. J., Keogan M. T., Vieweg J., Smith R. H., Nelson R. C., Delong D. M. and Leder R. A. (19981015). Interobserver variability in the interpretation of unenhanced helical CT for the diagnosis of ureteral stone disease. : Journal of computer assisted tomography.
MLA
Freed K S, Paulson E K, Frederick M G, Preminger G M, Shusterman D J, Keogan M T, Vieweg J, Smith R H, Nelson R C, Delong D M and Leder R A. Interobserver variability in the interpretation of unenhanced helical CT for the diagnosis of ureteral stone disease. : Journal of computer assisted tomography. 19981015.