Assertion: tonsillectomy | /r/HasProperty | the most common surgery
Facets:
value: in the united states
type: LOCATION
value: between 1915
type: TEMPORAL
value: between the 1960’s
type: TEMPORAL
Source sentences:
text: Between 1915 and the 1960’s, tonsillectomy was the most common surgery in the United States, done largely to treat chronic throat infections.