It is truly hard to be a librarian these days. Skepticism about information can so easily turn into cynicism. I've read about this problem before--pharmaceutical company shills writing articles and getting researchers to front them. But here is another article proving that this is not just an aberration, but a common practice. Can I really tell students to use our medical databases, because they carry more reliable information than the public web? Not sure anymore.
These abbreviations will help you understand the article:
CHC, Complete Healthcare Communications;
CMD, Current Medical Directions;
CRO, contract research organization;
MECC, medical education and communication company