Articles lacking sources from March 2007 Create Talk0 Category page This page needs content. You can help by adding a sentence or a photo! Add to this page! Physiological aging “The vaccine controversy encompasses many issues over the benefits and risks of vaccines... Vaccine controversy Pages in category "Articles lacking sources from March 2007" The following 2 pages are in this category, out of 2 total. P Physiological agingV Vaccine controversy Retrieved from "http://psychology.wikia.com/wiki/Category:Articles_lacking_sources_from_March_2007"