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ISSN:1170-7690|25|6|455-466

Adis International‎(2007)‎

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By Daya S.   Khan K.S.   Walter S.D.   Collins J.A.   in Fertility and Sterility

ISSN:0015-0282|67|1|180-181

Elsevier‎(1997)‎

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By Walter S. D.   Guyatt G. H.   Haynes R.B   Irwig L.   in Scandinavian Journal of Clinical and Laboratory Investigation

ISSN:0036-5513|63|7-8|529-532

Informa Healthcare‎(2003)‎

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