PolymyositisDermatomyositisMyositisAntibodiesAntibody SpecificityAntibodies, ViralAntibodies, MonoclonalPostoperative ComplicationsAntibodies, BacterialHistidine-tRNA LigaseLung Diseases, InterstitialAutoantibodiesAntibody FormationAntibodies, NeutralizingMyositis, Inclusion BodyAntibodies, AntinuclearFluorescent Antibody TechniqueAntibody AffinityPrednisoloneMuscular DiseasesAntibodies, Anti-IdiotypicParaneoplastic SyndromesBinding Sites, AntibodyTreatment OutcomeAutoimmune DiseasesRetrospective StudiesMusclesConnective Tissue DiseasesCreatine KinaseScleroderma, SystemicHIV AntibodiesMuscle, SkeletalImmunosuppressive AgentsEpitopesFatal OutcomeAntibodies, NeoplasmMyoglobinuriaMediastinal EmphysemaNervous System Autoimmune Disease, ExperimentalAntibodies, ProtozoanBiopsyMuscle WeaknessTime FactorsMixed Connective Tissue DiseaseAdrenal Cortex HormonesImmunoglobulin GMuscular DystrophiesCross ReactionsIntraoperative Complications