Check out:
- http://www.ama-assn.org/ama/pub/physician-resources/medical-...
- http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2575862/
- http://www.ncbi.nlm.nih.gov/pubmed/9395587
Check out:
- http://www.ama-assn.org/ama/pub/physician-resources/medical-...
- http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2575862/
- http://www.ncbi.nlm.nih.gov/pubmed/9395587