D. A. Tripp, J. C. Nickel, L. Katz, A. Krsmanovic, M. A. Ware, and D. Santor, “A survey of cannabis (marijuana) use and self-reported benefit in men with chronic prostatitis/chronic pelvic pain syndrome”, CUAJ, vol. 8, no. 11-12, pp. e901–5, Dec. 2014.