Assertion: aneuploidy | /r/HasProperty | proposed as a cause of cancer
Facets:
value: a century ago
type: TEMPORAL
value: originally
type: MANNER
Source sentences:
text: Aneuploidy was originally proposed over a century ago as a cause of cancer (55, 56) but was abandoned as a cause when the karyotypes of clonal cancers were found to be nonclonal (7, 42, 57–61).