Assertion: thalidomide | /r/CapableOf | cross placental barrier
Facets:
value: based on the radioactivity data
type: CAUSE
Source sentences:
text: Researchers discovered that the thalidomide crossed the placental barrier and caused serious birth defects.
text: Based on the radioactivity data, thalidomide crossed the placental barrier, and the fetal levels of drug-related material were approximately similar to those of maternal levels.
text: It was eventually discovered that the defects were caused because thalidomide could cross the placental barrier and slow or stop fetal development.