1. http://www.botany.hawaii.edu/faculty/wong/BOT135/LECT09.HTM
2. http://www.saanendoah.com/immunesystem.html
3. http://phenomena.nationalgeographic.com/2013/02/20/an-infinity-of-viruses
4. http://www.webmd.com/a-to-z-guides/swollen-lymph-nodes-topic-overview
5. Carol, Ballard, The Immune System, p.16.
6. Charles A. Janeway, Jr., How the Immune System Recognizes Invaders, p.73.
7. Carol Ballard, The Immune System, p. 12.
8. Joseph Panno. Ph.D. The Cell: Evolution of the First Organism.
9. www.cancer.gov/cancertopics/understandingcancer/immunesystem/AllPages
10. Sylvia S. Mader, Human Biology, p.134
11. Sylvia S. Mader, Human Biology, p.139.
12. Sir Gustav J. V. Nossal, Life, Death, and the Immune System, p. 55.
13. Charles A. Janeway, How the Immune System Recognizes Invaders, p81.
14. Carol Ballard, The Immune System, p.21.
15. Charles A. Janeway, How the Immune System Recognizes Invaders, p.73.
16. en.wikipedia.org/wiki/Macrophag
17. Sylvia S. Mader, Human Biology, p.130.
18. https://www.youtube.com/watch?v=RO6qmpApyDM
19. www.cancer.gov/cancertopics/understandingcancer/immunesystem/AllPages
20. Carol Ballard, The Immune System, p. 22.
21. http://www.mayoclinic.org/search/search-results?q=Multiple%20Sclerosis
22. www.mayoclinic.org/diseases-conditions/allergies/basics/definition/con-20034030
23. Carol Ballard, The Immune System, pp.36-37.
24. http://www.pbs.org/wgbh/amex/bubble/tguide/index.html
25. www.mayoclinic.org/diseases-conditions/hiv-aids/basics/definition/con-20013732Immunodeficiency is mostly know as in AIDS
26. www.mayoclinic.org/diseases-conditions/hiv-aids/basics/definition/con-20013732
27. Laura Carroll- Koch, Imagine the Unimaginable Harnessing the Power of DNA http://teachers.yale.edu/curriculum/viewer/initiative_13.06.01_u
28. http://www.nhregister.com/general-news/20120723/yale-researchers-new-delivery-system-increases-effectiveness-of-cancer-drugs-video
29. http://www.nhregister.com/general-news/20120723/yale-researchers-new-delivery-system-increases-effectiveness-of-cancer-drugs-video
