Reliability and between-group stability of a health-related quality of life symptom index for persons with anal high-grade squamous intraepithelial lesions: an AIDS Malignancy Consortium Study (AMC-A03). - Atkinson TM; Palefsky J; Li Y; Webb A; Berry JM; Goldstone S; Levine R; Wilkin TJ; Bucher G; Cella D; Burkhalter JE (Quality of life research : an international journal of quality of life aspects of treatment, care and rehabilitation, 2019)