| 2 | MEDICAL APPROACHES TO TERMINATION OF EARLY PREGNANCY显示文摘The technique of vacuum aspiration for terminating early pregnancy is well established.The procedure is highly effective and has a low complication rate, particularly when performed during the first few weeks after missed menses. However, this | VanLook,P.F.A | 1989 | Journal of Reproduction and Contraception1989，1，1： | 0 |
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