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      Scientific American April 1996

      Embryo Overpopulation

      Born into controversy, cryopreservation again stirs debate as thousands of frozen embryos grow old

      • By Gina Maranto on April 1, 1996

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      More in the April 1996 issue of Scientific American
      • A Smattering of Antimatter
      • Changing to Stay the Same
      • In Brief, April 1996
      View Full Contents
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