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Questionnaire responses of 38 Czechoslovak refugees indicated that 84.2% experienced, at least once, a nightmare about being back in their ex-homeland and trying to escape again. The escape nightmares were most frequent within the first 2 years after escape. A significant decrease in frequency was noted 4 years after escape and during the subsequent years.
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Zack Z. Cernovsky (1987) studied this question.
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