1. Igawa Y, Wyndaele JJ, Nishizawa O . Catheterization: Possible complications and prevention and treatment. Int J Urol 2008; 15: 481–485.
2. Kakizaki H, Igawa Y, Gotou M, Takeda M, Hasegawa T, Koyanagi T et al. Clinical practice guideline for lower urinary tract dysfunction in patients with chronic spinal cord injury. J Jpn Med Soc Spinal Cord Lesion 2005; 16: 253–259.
3. Tanaka K, Hattori K, Hayashi H . Long-term follow up of intermittent catheterization by patient with spinal cord injury. J Jpn Med Soc Spinal Cord Lesion 2006; 19: 32–33.
4. Ozawa H, Nishiyama Y . Correlation between catheterization frequency and complication in spinal cord injured patients. J Jpn Med Soc Spinal Cord Lesion 2007; 20: 194–195.
5. Gerridzen RG, ThijssenAM, Dehoux E . Risk factors for upper tract deterioration inchronic spinal cord injury patients. J Urol 1992; 147: 416–418.