- Injection of glutaraldehyde cross-linked collagen for urinary incontinence: two-year efficacy by self-assessment. Homma, Y., Kawabe, K., Kageyama, S., Koiso, K., Akaza, H., Kakizoe, T., Koshiba, K., Yokoyama, E., Aso, Y. International journal of urology : official journal of the Japanese Urological Association. (1996)