Assertion: mustard gas's effect | /r/CapableOf | last at least up to 2–3 years
Facets:
value: after exposure
type: TEMPORAL
Source sentences:
text: Possible effects that can last at least up to 2–3 years after exposure include blurred vision, tiredness, declined memory, hoarse voice, palpitations, sleeplessness, shoulder stiffness and eye strain.