By Koopman E.   Blok L.J.   Brinkmann A.O.   Helmerhorst T.J.M.   Huikeshoven F.J.M.   in European Journal of Obstetrics and Gynecology and Reproductive Biology

ISSN:0301-2115|82|2|135-138

Elsevier‎(1999)‎

Access to resources Favorite 5.376242

By Koopman E.M.   in Scientific Study of Literature

ISSN:2210-4380|1|2|241-259

John Benjamins Publishing Company‎(2011)‎

Access to resources Favorite 2.8080163