Crawford, A., Tripp, D. A., Nickel, J. C., Carr, L., Moldwin, R., Katz, L. and Muere, A. (2018) “Depression and helplessness impact interstitial cystitis/bladder pain syndrome pain over time”, Canadian Urological Association Journal, 13(10), pp. 328–33. doi: 10.5489/cuaj.5703.