Which of these symbols is the most appropriate for a physician to display?

Caduceus?
Asclepius?
The Caduceus is a globally recognized icon for medicine and healthcare, however, the Rod of Asclepius would actually be more symbolically relevant for those who practice medicine to display, claiming to offer remedy and healing.  In mythology, Hermes was associated with magic and death.  It was said that he lead the dead to the underworld - precisely the opposite of what physicians intend to do with their patients, well, most of them, I'm sure we all hope.  However, the US Army was accredited with making the Caduceus icon recognizable in 1902, using it to distinguish their military physicians in their Medical Corps., humm...