By Surrey Eric S.   Schoolcraft William B.   in Journal of Assisted Reproduction and Genetics

ISSN:1058-0468|20|9|365-370

Springer Publishing Company ‎(2003)‎

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By Schoolcraft William B   Keller Jennifer L.   Schlenker Terry   in Reproductive BioMedicine Online

ISSN:1472-6483|19|6|820-823

Reproductive Healthcare Ltd‎(2009)‎

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