Собсн навеяло этими:
http://www.highbeam.com/doc/1G1-113135908.html
http://etd.fcla.edu/SF/SFE0000576/MylaMorrisThesis.pdf
UPDT: А уж как они летчика Мересьева упустили? Это ж просто пир духа: The prospect of amputation presents interesting parallels where castration is concerned. The legs and the male organs, sharing a general area of familiarity on the male body, run a comparable risk of injury.