the optical density ( o.d . ) was greater than 0 ( higher than 0 ) in 89 serum samples ( out of the 194 ) : 43 sle , 4 mctd , 4 pss , 3 d pm , 1 ss , 7 ra , 10 cases of miscellanea , the idiopathic anticardiolipin syndrome and 16 healthy controls .
C1527336
ss
C0003873
ra