Assertion: puffer's tetrodotoxin | /r/HasProperty | causal agent
Facets:
value: in the initial zombification process
type: TEMPORAL
Source sentences:
text: Kao and Yasumoto concluded in the first of their papers in 1986 that "the widely circulated claim in the lay press to the effect that tetrodotoxin is the causal agent in the initial zombification process is without factual foundation.”:748