Myotonic DystrophyMuscular DystrophiesMyotonic DisordersMuscle WeaknessTrinucleotide Repeat ExpansionMuscular Dystrophy, DuchenneTrinucleotide RepeatsCorneal Dystrophies, HereditaryMyotoniaMuscular Dystrophy, AnimalMuscular Dystrophy, FacioscapulohumeralFuchs' Endothelial DystrophyRNA-Binding ProteinsMuscle, SkeletalProtein-Serine-Threonine KinasesDNA Repeat ExpansionRetinal DystrophiesChromosomes, Human, Pair 19DystrophinPedigreeRepetitive Sequences, Nucleic AcidNeuromuscular DiseasesAlternative SplicingMyoblastsMyotonia CongenitaMuscular Dystrophy, Emery-DreifussMice, Inbred mdxMutationMuscular DiseasesLens DiseasesBase SequenceMusclesChromosomes, Human, 19-20Neuroaxonal DystrophiesRNASarcoglycansExonsElectromyographyMolecular Sequence DataMuscle Fibers, SkeletalPhenotype3' Untranslated RegionsAnticipation, GeneticMuscular Dystrophy, Oculopharyngeal