在FDA批准18个月后的一则新闻中，Nellcor估计，已经有超过400台监护仪用于约9000名美国胎儿的分娩过程监测。
In a news release 18 months after gaining FDA approval, Nellcor estimated that more than 400 devices have been used to monitor the births of about 9,000 U. s. babies.
在FDA批准18个月后的一则新闻中，Nellcor估计，已经有超过400台监护仪用于约9000名美国胎儿的分娩过程监测。
In a news release 18 months after gaining FDA approval, Nellcor estimated that more than 400 devices have been used to monitor the births of about 9,000 U. s. babies.
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