Assertion: drug thalidomide | /r/Causes | estimated 10,000 birth defects
Facets:
value: worldwide
type: LOCATION
value: in the late 1950s
type: TEMPORAL
value: in early 1960s
type: TEMPORAL
Source sentences:
text: In the late 1950s and early 1960s, the drug thalidomide caused an estimated 10,000 birth defects and thousands of fetal deaths worldwide.