The CaF Directory 
An article about myotonic dystrophy, its characteristics and inheritance patterns.
http://www.cafamily.org.uk/Direct/m57.htmlGeneClinics
A summary of myotonic dystrophy, the diagnosis, clinical description, differential diagnosis, management, genetic counseling and resources.
http://www.geneclinics.org/profiles/myotonic-d/
NINDS Myotonia Information Page
Information sheet compiled by the National Institute of Neurological Disorders and Stroke.
http://www.ninds.nih.gov/disorders/myotonia/myotonia.htm
NCBI: Genes and Diseases
A discussion about myotonic dystrophy, when it occurs, symptoms and the gene.
http://www.ncbi.nlm.nih.gov/books/bv.fcgi?call=bv.View..ShowSection&rid=gnd.section.164
