Neuromuscular DiseasesMyasthenia GravisMyasthenia Gravis, Autoimmune, ExperimentalThymectomyRespiratory InsufficiencyMuscular DystrophiesReceptors, CholinergicThymomaMyotonic DystrophyPyridostigmine BromideHypoventilationNeuromuscular Junction DiseasesRespiratory MusclesMuscular Dystrophy, DuchenneThymus NeoplasmsTracheostomyNADH Tetrazolium ReductaseMuscular Atrophy, SpinalMuscular Dystrophy, FacioscapulohumeralTracheotomyMyasthenia Gravis, NeonatalRespiration, ArtificialRespiratory TherapyArthrogryposisOphthalmoplegiaInsufflationThymus HyperplasiaMuscle WeaknessMuscular DiseasesIntermittent Positive-Pressure VentilationMuscle, SkeletalMasksMusclesSpinal Muscular Atrophies of ChildhoodHereditary Sensory and Motor NeuropathyEdrophoniumPositive-Pressure RespirationMyositisMyographyVentilators, MechanicalAutoantibodiesElectromyographyGuillain-Barre SyndromeCholinesterase InhibitorsAmyotrophic Lateral SclerosisRespiration DisordersSMN Complex ProteinsBlepharoptosisSurvival of Motor Neuron 1 ProteinMuscular AtrophyElectric ImpedanceCoughVentilator WeaningDystrophinMuscle Fibers, SkeletalCharcot-Marie-Tooth DiseaseSleep Apnea SyndromesScoliosisMice, Inbred mdxMucusRespiratory Function TestsNeostigmineEye ManifestationsVital Capacity