helper t-cells ( cd 4+leu8- ) , suppressor-inducer t-cells ( cd4+leu8+ ) , suppressor t-cells ( cd8+leu 15+ ) and three natural killer ( nk ) cell subsets determined by both cd16 and leu7 antibodies did not differ between controls and ss or ra , although leu7+nk cells were significantly increased in ss patients .
C0003873
ra
C1527336
ss