1. Viewpoint. Connective tissue diseases: one disease or many?;Moutsopoulos;Lupus,1994
2. What is SLE? Editorial;Lockshin;J Rheumatol,1989
3. Undifferentiated connective tissue syndromes;LeRoy;Arthritis Rheum,1980
4. Systemic lupus erythematosus. Differences between patients who do, and who do not, fulfill classification criteria at the time of diagnosis;Lom-Orta;Rheumatology,1980
5. Latent lupus;Ganczarczyk;J Rheumatol,1989