Ciaravino V, Miller M W, Carstensen E L, Dalecki D
Ultrasound Med Biol. 1985 May-Jun;11(3):491-5. doi: 10.1016/0301-5629(85)90161-9.
The frequency of sister chromatid exchanges (SCEs) in in vitro Chinese hamster ovary cells and their viability were not affected by 3-min exposures to 2-4 MHz, focused, pulsed ultrasound with a pulse repetition rate of 200 Hz, pulse duration of 10 mu sec and intensities (SPTP) of 500 W/cm2 and 2500 W/cm2. The viability results are consistent with those reported elsewhere; the SCE response does not verify a specific previously reported positive response.
体外培养的中国仓鼠卵巢细胞中姐妹染色单体交换（SCEs）的频率及其活力，在暴露于频率为2 - 4兆赫兹、聚焦、脉冲重复频率为200赫兹、脉冲持续时间为10微秒、空间峰值时间平均声强（SPTP）分别为500瓦/平方厘米和2500瓦/平方厘米的脉冲超声3分钟后，并未受到影响。活力结果与其他地方报道的一致；SCE反应并未证实之前报道的特定阳性反应。
