autoantibodies detected included antinuclear antibodies ( ana ) in 122/307 ( 39.7 % ) , rheumatoid factor ( rf ) in 23/307 ( 7.5 % ) , anticardiolipin antibodies ( anti-cl ) in 23/304 ( 7.6 % , igm in 12 patients , igg in 13 patients ) .
C0004358
autoantibodies
C0003243
antinuclear antibodies