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 ...

SINCE the isolation of purified human growth hormone (H.G.H.), immunoassays of this hormone, with variable results regarding sensitivity, accuracy and reproducibility, have been reported 1–3. A new ...

An examination was made of the relations between antigen, antibody and fixation of complement with foot-and-mouth disease virus (FMDV). It was found that complement fixation in this system follows the ...

Quantitative micro-complement fixation was used to compare human serum albumin with the serum albumins of apes, monkeys, and prosimians. The results are consistent with those obtained by other ...