R. L. Kahn, R. M. Olin Jr. The velocity of fixation of complement employing syphilitic serums and 6 different Wassermann antigens was studied. The periods of fixation ...

About 60 per cent. of all cases of gonococcus infections reacted positively in the gonoccocus complement-fixation test. In the few cases of pyosalpingitis examined, 66 per cent. reacted positively.

A gamma-globulin factor in the serum of patients with systemic lupus erythematosus that reacts with isolated cell nuclei 1 or nucleoprotein 2,3 has been detected in many ways. 4 The standard method of ...

NORMAL guinea pig serum is the most common source of complement for the complement-fixation test, and may be used fresh or, more commonly, preserved either by freeze-drying or by Richardson's method 1 ...