Assertion: esophagus's muscle | /r/CapableOf | reach a peak of tetanic contractions
Facets:
value: after 3-4 pulses
type: TEMPORAL
Source sentences:
text: Esophageal muscle reached a peak of tetanic contractions after 3-4 pulses, the amplitude of which was about 1.5 times larger than that of twitch-like responses (Figure 2(a)).