Myasthenia GravisMyasthenia Gravis, Autoimmune, ExperimentalThymectomyThymomaReceptors, CholinergicPyridostigmine BromideThymus NeoplasmsMyasthenia Gravis, NeonatalThymus HyperplasiaAutoantibodiesBlepharoptosisCholinesterase InhibitorsEdrophoniumPlasmapheresisNeostigmineTorpedoDiplopiaNeuromuscular JunctionThymus GlandRats, Inbred LewCorynebacterium diphtheriaeAutoimmune DiseasesReceptors, NicotinicOcular Motility DisordersLambert-Eaton Myasthenic SyndromeElectromyographyOphthalmoplegiaMotor EndplateAntibodiesMusclesBungarotoxinsMuscle WeaknessAzathioprine