1Litwin MS, McNaughton Collins M, Fowler FJ Jr, et al. The national Institutes of Health Chronic prostatitis symptom index: development and validation of a new outcome measure [J]. Chronic Prostatitis Collaborative Research Network J Urol, 1999, 162(2): 369-375.
9Litwin MS, Mc Naughton Collins M, Fowler FJ Jr, et al. The national Institutes of Health Chronic Prostatitis symptom index: development and validation of a new outcome measure[ J]. Chronie Prostatitis Collaborative Research Network Jurol, 1999, 162 ( 2 ) : 369 - 375.