title: Antiperinuclear factor isotypes in rheumatoid arthritis.
authors.forename: A A
authors.initials: AA
authors.lastname: Borg
mesh_terms: D000974:Antibodies, Antinuclear / Q000032:analysis*; D001172:Arthritis, Rheumatoid / Q000276:immunology*; D006801:Humans; D007070:Immunoglobulin A / Q000032:analysis*; D007132:Immunoglobulin Isotypes / Q000032:analysis*
chemical_list: D000974:Antibodies, Antinuclear; D007070:Immunoglobulin A; D007132:Immunoglobulin Isotypes