Assertion: guinea pig | /r/CapableOf | play major role
Facets:
value: in the establishment of germ theory
type: TEMPORAL
value: in the late 19th century
type: TEMPORAL
Source sentences:
text: Guinea pigs played a major role in the establishment of germ theory in the late 19th century, through the experiments of Louis Pasteur, Émile Roux, and Robert Koch.