References:
- Hallucination - (http://en.wikipedia.org/wiki/Hallucination)
- About Hallucinations - (http://www.nlm.nih.gov/medlineplus/ency/article/003258.htm)
- More Information on Hallucinations - (http://www.faqs.org/health/topics/55/Hallucinations.html)
Editor: Dr. Christopher Barry
Technically Checked by: Lingaraj