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Fracture Formation Around Three 2.2 mm Cryosurgical Probes
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Cryoprobe tube diameter = 1.3 mm Beaker diameter = 85 mm Two freezing periods separated by a 10 seconds interval of no liquid nitrogen flow. Elapsed time in is shown on each photo (min:sec)
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Period I: Liquid nitrogen flow started at 00:00
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Period I: Liquid nitrogen flow continues
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Period I: Liquid nitrogen flow stopped at 10:00
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Period I: Liquid nitrogen flow stopped at 10:00
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Period II: Liquid nitrogen flow restarted at 10:10
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Period II: Liquid nitrogen flow stopped at 15:00
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Period II: Liquid nitrogen flow stopped at 15:00
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Period II: Liquid nitrogen flow stopped at 15:00
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