Assertion: botulinum toxin's use | /r/AtLocation | 1970
Facets:
value: after ’s
type: TEMPORAL
Source sentences:
text: The first documented use of BoNT for the treatment of disease was in the 1970s, approximately 150 years after Kerner’s initial observations about the potential use of BoNT as a therapeutic, when Dr Alan Scott, an ophthalmologist, used local injection of minute doses of BoNT to selectively inactivate muscle spasticity in strabismus in monkeys.11