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Ciliary beat frequency (CBF) in samples of healthy subjects measured under different conditions, expressed as mean (Hz) and standard deviation.
| Room T (22–24 °C) | Refrigerator T (4 °C) | |
|---|---|---|
| 0 h | 11.99 (3.34) | 10.79 (1.80) |
| 3 h | 10.86 (2.19) | 12.08 (2.46) |
| 24 h | 12.56 (3.03) | 11.98 (2.24) |
| 48 h | 12.74 (3.21) | 12.53 (3.54) |
| 72 h | 17.78 (1.80) | 14.03 (4.51) |
