Assertion: external defibrillator | /r/Desires | monophasic
Facets:
value: until the 1990s
type: TEMPORAL
Source sentences:
text: Until the 1990s, external defibrillators relied on monophasic (one phase) shock waves.
text: Until the 1990's, external defibrillators relied on monophasic (one phase) shock waves.
text: Edit Until the 1990s, external defibrillators relied on monophasic (one phase) shock waves.