http://www.mdausa.org/publications/fa-md.html
This brochure on muscular dystrophy (i.e. MD) has links to several other sections: the nine different MD-like diseases, current research, frequently-asked questions.

http://ep.llnl.gov/msds/Columbia/ace.html
There is a really nice animated 3-D movie of cholinesterase working on acetylcholine! In addition, there are links to discussions about Alzheimer Disease, insecticides, and nerve gases.

http://www.myasthenia.org/information/summary.htm
This page presents details related to the diagnosis and treatment of myasthenia gravis. This page is unusually detailed and complete.

http://www.neuro.wustl.edu/neuromuscular/maltbrain.html
This page supplies links to information about myopathy and neuromuscular junction diseases. There are sections which point the interested person to material related to muscular signs, systemic features, and lab diagnosis.

http://www.ALSA.org/
This is the homepage of the Amyotrophic Lateral Sclerosis Association (AKA Lou Gehrig’s Disease). This inherited disorder is caused by a defective gene for superoxide dismutase. The Homepage provides links to diagnosis, support, and research information.