<p>Googling is always a good first step: it can yield answers without clogging up the board and it is exercise in the basic research skills you will need. In this case and in many cases, you obtain answers without encouraging speculation.</p>
<p>That being said, here links I found on Google:<br>
[Careers</a> in Medicine Specialty Pages](<a href=“http://www.aamc.org/students/cim/specialties.htm]Careers”>http://www.aamc.org/students/cim/specialties.htm)
[AMA</a> - Choosing a Specialty](<a href=“http://www.ama-assn.org/ama/pub/education-careers/becoming-physician/choosing-specialty.shtml]AMA”>http://www.ama-assn.org/ama/pub/education-careers/becoming-physician/choosing-specialty.shtml)</p>