for the A.D.A.M. Medical Encyclopedia term is A.D.A.M. Medical Encyclopedia [Internet]. Atlanta (GA): A.D.A.M., Inc.; © 2010, and the specific term can be obtained on the following website: http://www.ncbi.nlm.nih.gov/pubmedhealth/s/diseases_and_conditions.
3This definition was obtained by searching the term in the Merriam-Webster Medical Dictionary, a source used by National Institutes of Health’s Medline Plus website, which is produced by the National Library of Medicine. The citation for the Merriam-Webster Medical Dictionary term is Merriam-Webster Medical Dictionary [Internet]. [Springfield (MA)]: Merriam-Webster, Incorporated; © 2003, and the specific term can be obtained on the following website: http://www.nlm.nih.gov/medlineplus/mplusdictionary.html.
4This definition was obtained from A Dictionary of Epidemiology, fifth edition, a handbook sponsored by the International Epidemiology Association. The citation for the term is: Porta, M. 2008. A Dictionary of Epidemiology, 5th ed. New York, NY: Oxford University Press. © 2008.
5This definition was obtained from the Centers for Disease Control and Prevention as defined on the following webpage: http://www.vaccines.gov/more_info/glossary/index.html.
6This definition was obtained from Farrington, C. P. 2004. Control without separate controls: Evaluation of vaccine safety using case-only methods. Vaccine 22(15-16):2064-2070. Elsevier Ltd. © 2004.
7This definition was obtained from Aminoff, M. J., and R. B. Daroff. 2003. Encyclopedia of the neurological sciences. 1st ed. 4 vols. Amsterdam: Boston. © 2003.