Linked from
The 26 pages that link to Myasthenia gravis, each with the reason it gives.
AcetylcholineRelated: The disease weakens muscles by reducing their response to acetylcholine.
ElectromyographyRelated: Specialized EMG methods can detect impaired neuromuscular transmission.
DysphagiaRelated: Fatigable weakness can involve muscles used for chewing and swallowing.
ThymusRelated: Thymic abnormalities, including thymoma, are associated with this autoimmune disease.