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ISSN:0091-7435|26|3|389-394

Academic Press‎(1997)‎

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By Fry A. G.   Bernstein I. M.   Badger G. J.   in Journal of Maternal-Fetal and Neonatal Medicine

ISSN:1476-4954|12|4|247-252

Informa Healthcare‎(2002)‎

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