PolymyositisDermatomyositisMyositisAntibodiesAntibody SpecificityAntibodies, BacterialAntibodies, ViralAntibodies, MonoclonalAntibody FormationAutoantibodiesHistidine-tRNA LigaseImmunoglobulin GLung Diseases, InterstitialAntibodies, NeutralizingSerumAntibodies, AntinuclearEnzyme-Linked Immunosorbent AssayMyositis, Inclusion BodyFluorescent Antibody TechniqueAntibody AffinityImmunoglobulin MCross ReactionsImmunoglobulin AAntibodies, Anti-IdiotypicPrednisoloneAntibodies, ProtozoanEpitopesAutoimmune DiseasesMuscular DiseasesBinding Sites, AntibodyAntibodies, NeoplasmHIV AntibodiesParaneoplastic SyndromesCreatine KinaseMusclesNeutralization TestsConnective Tissue DiseasesAntibodies, FungalImmunizationSerum AlbuminScleroderma, SystemicAntigens, BacterialMuscle, SkeletalMolecular Sequence DataAntigensMice, Inbred BALB CAutoantigensMyoglobinuriaNervous System Autoimmune Disease, ExperimentalBiopsyImmunosuppressive AgentsAntigen-Antibody ReactionsImmune SeraMixed Connective Tissue DiseaseMediastinal EmphysemaMuscle WeaknessMuscular DystrophiesTime FactorsAdrenal Cortex HormonesRabbitsMyasthenia GravisBiological Markers