PolymyositisDermatomyositisMyositisAntibodiesAntibody SpecificityAntibodies, ViralAntibodies, MonoclonalAntibodies, BacterialHistidine-tRNA LigaseLung Diseases, InterstitialAutoantibodiesAntibody FormationAntibodies, NeutralizingMyositis, Inclusion BodyAntibodies, AntinuclearFluorescent Antibody TechniqueAntibody AffinityPrednisoloneMuscular DiseasesAntibodies, Anti-IdiotypicParaneoplastic SyndromesBinding Sites, AntibodyMusclesAutoimmune DiseasesConnective Tissue DiseasesCreatine KinaseScleroderma, SystemicHIV AntibodiesMuscle, SkeletalEpitopesAntibodies, NeoplasmNervous System Autoimmune Disease, ExperimentalAntibodies, ProtozoanMyoglobinuriaImmunosuppressive AgentsMediastinal EmphysemaMixed Connective Tissue DiseaseMuscle WeaknessMuscular DystrophiesBiopsyCross ReactionsImmunoglobulin GAdrenal Cortex Hormones