[Bladder surgery and the Hippocratic oath].

Referring to the famous prohibition "I will not cut persons laboring under the stone but will leave this to be done by practitioners of this work", which appears in the hippocratic oath, the authors attempt an explanation of the real meaning of this phrase. They come to the conclusion that through this prohibition Hippocrates favoured the birth of urology, protecting his students from the danger of professional defamation.