natural cell-mediated cytotoxicity ( ncmc ) was measured in 7 patients with sjogren 's syndrome without complication of connective tissue disease , 5 patients with sjogren 's syndrome associated with connective tissue disease other than rheumatoid arthritis ( ra ) , 13 patients with sjogren 's associated with ra , and 29 patients with ra without sjogren 's .
C1527336
sjogren 's syndrome
C0003873
ra