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Campbell's Urology, 8th ed

L. Ronningen, 2005 .

Urethral versus suprapubic catheter: choosing the best bladder management for male spinal cord injury patients with indwelling catheters

J. Kalisvaart, L. Ronningen, R. Hovey, 2010, Spinal Cord.

Bladder cancer in spinal cord injury patients

J. Kalisvaart, L. Ronningen, R. Hovey, 2008, Spinal Cord.

Duodenal hematoma after retroperitoneal lymph node dissection.

J. Thrasher, L. McMann, L. Ronningen, 1998, Urology.

Giant Urinoma In Spinal Cord Injury: Report Of Two Cases

I. Eltorai, R. Montroy, L. Ronningen, 2003, The journal of spinal cord medicine.