Engelhart L, Nelson L, Lewis S, Mordin M, Demuro-Mercon C, Uddin S, McLeod L, Cole B, Farr J. Knee injury and osteoarthritis outcome score subscales for patients with articular cartilage lesions of the knee. Am J Sports Med. 2012 Oct 1;40(10):2264-72.
McKenna SP, Williamson T, Renck-Hooper U, Whalley D. The development and testing of UK and Canadian English versions of the Incontinence Quality of Life Index (IQoLI). J Outcomes Res. 1997;1:9-18.
Renck-Hooper U, McKenna SP, Whalley D. Measuring quality of life in female urinary urge incontinence: development and psychometric properties of the IQoLI. J Outcomes Res. 1997;1:1-8.