NIH – Índice de Sintomas de Prostatite Crônica
* Litwin MS, McNaughton-Collins M, Fowler FJ Jr, Nickel JC, Calhoun EA, Pontari MA, et al.: The National Institutes of Health chronic prostatitis symptom index: development and validation of a new outcome measure.Chronic Prostatitis Col- laborative Research Network. J Urol. 1999; 162: 369-75.