By Merz E.   Eiben B.   in Der Gynäkologe

ISSN:0017-5994|39|11|847-853

Springer Publishing Company ‎(2006)‎

Access to resources Favorite 11.789917

By Meschede D   Louwen F   Eiben B   Horst J   in Human Reproduction

ISSN:1460-2350|12|9|1913-1914

Oxford University Press‎(1997)‎

Access to resources Favorite 2.0681622