the cytotoxic serum factor ( s ) was not specific to patients with pss , it was also demonstrated in sera from patients with other connective tissue diseases with vascular symptoms ( 11 out of 27 sera from patients with a mixed connective tissue disease , mctd ; 5 out of 34 sera from patients with a systemic lupus erythematosus , sle ) .
C0036421
pss
C0009782
connective tissue