所有的研究都取样于自2001年到2004年间自主选择避孕法的703位处于16 - 33岁年龄段非裔美国女性，西班牙女性，白种女性。
All of the studies followed a sample of 703 African-American, Hispanic and white women between the ages of 16 -33 years-old from 2001 through 2004 who chose their own contraception method.
为了解四川省农村皮下埋植避孕法(简称皮埋法)的宣传教育现状及对该法使用情况的影响，本研究对农村1473例皮埋法使用者进行调查。
The Numbers of 1473 Norplant users were studied to understand the status of propagation and education of Norplant, and its influence on acceptability in countryside in Sichuan province.
运用超声作为避孕药的想法来自于北卡罗莱那大学教堂山分校的James Tsuruta与PaulDayton。两人业已显示这一方法在大白鼠实验中获得成功。
The idea of using ultrasound as a contraceptive comes from James Tsuruta and Paul Dayton of the University of North Carolina in Chapel Hill, who have shown it to work in rats.
运用超声作为避孕药的想法来自于北卡罗莱那大学教堂山分校的James Tsuruta与PaulDayton。两人业已显示这一方法在大白鼠实验中获得成功。
The idea of using ultrasound as a contraceptive comes from James Tsuruta and Paul Dayton of the University of North Carolina in Chapel Hill, who have shown it to work in rats.
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