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By Spencer J.   Johnson D.   Hastie A.   Sacks L.   in BT Technology Journal

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Springer Publishing Company ‎(2003)‎

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By Aldrich C.J.   D'Antona D.   Spencer J.A.D.   Delpy D.T.   Reynolds E.O.R.   Wyatt J.S.   in European Journal of Obstetrics and Gynecology and Reproductive Biology

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Elsevier‎(1996)‎

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By D'Antona D.   Aldrich C.J.   Spencer J.A.D.   Delpy D.   Reynolds E.O.R.   Wyatt J.S.   in European Journal of Obstetrics & Gynecology and Reproductive Biology

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Elsevier‎(1995)‎

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