Assertion: phenolphthalein | /r/HasProperty | removed
Facets:
value: because of concerns over carcinogenicity
type: CAUSE
value: from laxatives
type: OTHER
Source sentences:
text: Phenolphthalein has been used for over a century as a laxative, but is now being removed from over-the-counter laxatives because of concerns over carcinogenicity.