title: [Does mixed connective tissue disease exist or not?].
mesh_terms: D000974:Antibodies, Antinuclear / Q000032:analysis / Q000276:immunology; D006801:Humans; D008947:Mixed Connective Tissue Disease / Q000150:complications / Q000175:diagnosis* / Q000276:immunology; D012216:Rheumatic Diseases / Q000209:etiology
chemical_list: D000974:Antibodies, Antinuclear
vernacular_title: La conectivopatía mixta existe o no?