question: What is the time frame for survival of epidural hematoma ?
answer: matter of 30 minutes to an hour to 90 minutes before there is a major deterioration . ''
turker_answer: The time frame for survival of epidural hematoma is a matter of 30 minutes to an hour , to 90 minutes , before there is a major deterioration .
rule-based: The time frame for survival of epidural hematoma is matter of 30 minutes to an hour to 90 minutes before there is a major deterioration . .