Adriaansen, J., van Asbeck, F., Bongers-Janssen, H., Spijkerman, D., ., A., Visser-Meily, J., … Post, M. (1969). Description of Urological Surveillance and Urologic Ultrasonography Outcomes in a Cohort of Individuals with Long-Term Spinal Cord Injury. Topics in Spinal Cord Injury Rehabilitation, 23(1), 78-87. https://doi.org/10.1310/sci2301-78 (Original work published 1969)