the amount of crude campylobacter jejuni enterotoxin present in culture products was quantitated by comparing the response of these preparations with that of pure escherichia coli heat-labile toxin ( lt ) in the chinese hamster ovary assay and in enzyme-linked immunosorbent assays that used gm ganglioside or antisera to lt or both .
C0014372
enterotoxin
C0040549
lt