Assertion: tonsillectomy | /r/HasProperty | undertaken
Facets:
value: for treating sleep-disordered breathing
type: PURPOSE
Source sentences:
text: Today, it is also undertaken for treating sleep-disordered breathing.
text: The number of institutions where tonsillectomies were undertaken reached 68 as of March 2014, and the monthly number of patients per hospital was 3–4 on average.