Pepper ~

Here's a link to the Tufts Vet School that Karen mentioned:
http://www.tufts.edu/vet/petinfo/dvminfo.html

If you surf deep into the site, there are several different search engines that produce a ton of Vet medicine articles and papers. One of them is via Cornell University:
http://www.vet.cornell.edu/consultant/consult.asp

Good luck researching Bourbon's problem.