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 ...
T. A. Koski, D. R. Wenger and D. D. Oshel The current complement fixation for avian leukosis (COFAL) test for screening veterinary vaccines requires a 21-day maintenance period of chick embryo (CE) ...