Placebo Effect. (2005, June 28). Retrieved May 6, 2025, from http://www.essayworld.com/essays/Placebo-Effect/29229
"Placebo Effect." Essayworld.com. Essayworld.com, 28 Jun. 2005. Web. 6 May. 2025. <http://www.essayworld.com/essays/Placebo-Effect/29229>
"Placebo Effect." Essayworld.com. June 28, 2005. Accessed May 6, 2025. http://www.essayworld.com/essays/Placebo-Effect/29229.
"Placebo Effect." Essayworld.com. June 28, 2005. Accessed May 6, 2025. http://www.essayworld.com/essays/Placebo-Effect/29229.