2Shafik A. Anal submucosal injection: a new route for drug administration. VI Chronic Prostatitis: a new modality of treatment with report of cases[ J ] . Urology. 1991.37 : 61.
3Shafik A.Anal submucosal injection: a new route for drug administration. VI Chronic Prostatitis: a new modality of treatment with report of cases[J] .Urology,1991,37:61.
