Assertion: emergency thoracotomy | /r/CapableOf | come in 1960
Facets:
value: before cardiopulmonary resuscitation
type: TEMPORAL
value: before external defibrillation
type: TEMPORAL
Source sentences:
text: Before external defibrillation and cardiopulmonary resuscitation came in the 1960s, emergency thoracotomy was the preferred way to treat cardiac arrest.