In HOOKED, Chapter 11 I offer the reader a sort of guided tour of the pharamceutical exhibits at a major medical conference--in that case, the Berlin Psychiatric Congress. Staying a bit closer to home, "Kevin, MD," a practicing primary care physician, has collected a photo collage of the exhibit hall of a U.S. primary care conference, "Pri-Med". Check it out on his blog-site:
Be sure to read the comments-- they are very insightful. Especially one commenting that the surgeons, at their conferences, have MUCH more professional looking sales folks selling them stuff, and none of this carnival-sideshow stuff.