Assertion: thalidomide's effect | /r/CapableOf | become clear
Facets:
value: luckily
type: DEGREE
Source sentences:
text: When thalidomide became available in Britain in 1958 it had not been rigorously tested and it took three years for its effects to become clear.
text: Luckily, the effects became clear before thalidomide was widely used in the United States—there were only about 20 children born with thalidomide-related disabilities in the U.S. during the same time period.