Assertion: thalidomide's year | /r/CapableOf | see a step change
Facets:
value: in the technology
type: OTHER
Source sentences:
text: While we may, at one stage in our development, not had any choice but use animals as proxies to test the safety of new substances before human trials we no longer need to rely on these old and outdated methods, recent years has seen a step change in the technology available to us rendering animal testing obsolete.