- http://www.clinicaltrials.gov/
- http://www.ncbi.nlm.nih.gov/pubmed
- http://www.who.int/en/
- http://www.cdc.gov/
- http://www.vanderbilt.edu/CenterforEthics/cases.html
- http://www.acponline.org/running_practice/ethics/
- http://www.ama-assn.org/ama
- http://medicalcenterofmckinney.com/your-health/kidshealth/22048/homework-help?mainCategory=3