http://www.drgarysmultiplesclerosiscure.org/Blog/side-effects-of-ms.html
http://www.avonex.com/ms-symptoms.xml
http://www.hopkinsmedicine.org/healthlibrary/conditions/physical_medicine_and_rehabilitation/multiple_sclerosis_and_pregnancy_85,P01160/
http://www.nationalmssociety.org/about-multiple-sclerosis/what-we-know-about-ms/symptoms/emotional-changes/index.aspx
http://www.msassociation.org/about_multiple_sclerosis/symptoms/?gclid=CKyw0rKnmrMCFexFMgodTRAA-g
http://www.msassociation.org/about_multiple_sclerosis/symptoms/?gclid=CP2HvcSpmrMCFcxcMgoddnMAFg