Extres:
- Wikipedia – Esclerosis Lateral Amiotrófica
- Llibre – Amyotrophic Lateral Sclerosis: New Research by Christine A. Murray (2006)
- Llibre – Amyotrophic Lateral Sclerosis: A guide for Patients and Families by Hiroshi Mitsumoto
- Article – How has Stephen Hawking lived to 70 with ALS? Scientific America Journal, 2012
- Estudi – An evaluation of the possible risks from electric and magnetic fields (EMFs) from power lines, internal wiring, electrical occupations and appliances, California EMF Pr0gram, 2002
