- Stiff-person (stiff-man syndrome) information sheet compiled by NINDS.www.ninds.nih.gov/health_and_medical/disorders/stiffperson_doc.htm
- Stiff-Man Syndrome information and ListServer ...www.stiff-man.org
- Stiff-person syndrome is a rare progressive neurological disorder characterized by constant painful contractions and spasms of voluntary muscles, particularly the muscles of the back and upper legs.healthlink.mcw.edu/article/921988627.html