The current complement fixation for avian leukosis (COFAL) test for screening veterinary vaccines requires a 21-day maintenance period of chick embryo (CE) cell cultures. The method described requires ...

Sera were collected from female cattle in 118 commercial herds being subjected to a programme to eradicate brucellosis by test and slaughter, in an area in which vaccination of heifer calves with ...

DURING both research and routine complement fixation tests with foot-and-mouth disease virus, we attempted to develop a similar test for the condition known as contagious ecthyma of the lips ...

A nucleoprotein complement-fixation titer was 1:27, and the 1st positive L.E.-cell preparation was reported subsequently. She was placed on corticosteroids and soon went into clinical remission.

The complement-fixation tests, with antigens 20aand 30, failed to support the previous report of Roach et al., 13 who had found that fixation occurred in 77 per cent of cases of multiple sclerosis ...

A Special Reaction of the Complement Fixation Test applied to the Study of Tumours A. SERRA, G. GUARINI, P. LOVISETTO, D. CASTELLI & F. BALZOLA Nature 181, 622–623 (1958) Cite this article ...