00281nam a22001097a 4500082001600000100001800016245006600034250001400100260003100114300001000145654001600155  a610.76bWYL  aWylen,Michele  aObstetrics and gynecology:Pre test self assessment and review  a10 th ed.  aBostonbMc Graw Hillc2004  a337p.  aGynaecology