To compare examination adequacy and patient discomfort during retrograde urethrography (RUG) performed by using the conventional balloon method versus those of RUG and voiding cystourethrography (VCUG ...
To observe and evaluate the effectiveness and safety of using a sponge plug method to occlude the urethral meatus during retrograde urethrography (RUG) for accessing male urethral strictures. 40 male ...
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