Multiple System Atrophy - http://www.mssm.edu/neurology/autodis/disorders/msa/ A short article and a nice .pdf document on MSA by the department of neurology of Mount Sinai School of Medicine (MSSM).
National Dysautonomia Research Foundation -- MSA - http://www.ndrf.org/MSA.htm NDRF provides patient support, medical referral, educational material, newsletters, an online discussion forum and a research protocol database for individuals impacted with dysautonomic disorders.
EMSA-SG - http://www.emsa-sg.org Study group for Multiple System Atrophy.
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