Preliminary biochemical characteristics of the effective substance in extracts of hypersensitive cells (hypersensitivity factor) and of pyrogenic substances arising on mixing it with antigen (hypersensitivity pyrogen).
D000707:Anaphylaxis; D006801:Humans; D006967:Hypersensitivity; D011749:Pyrogens
D011749:Pyrogens
ANAPHYLAXIS; PYROGENS