1. Connective tissue disorders and granulomatous disease of doubtful origin;Greenspan,1981
2. Sjogren's syndrome and associated diseases;Whaley,1980
3. Systemic lupus erythematosus;Mannik,1980
4. Urticaria;Yecies,1980
5. Systemic lupus erythematosus;Hahn,1980