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 ...

EARLIER investigations have shown that cattle which exhibit a marked degree of natural resistance to infection with Haemonchus spp. also develop higher complement-fixation titres than susceptible ...

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 ...

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.

MULTIPLE sclerosis was recognized as a clinical entity early in the nineteenth century by Charcot. Since then its pathology and clinical symptomatology have been defined, but the etiology of this ...