1,721,032 research outputs found
Couples with unexplained subfertility and unfavorable prognosis: a randomized pilot trial comparing the effectiveness of in vitro fertilization with elective single embryo transfer versus intrauterine insemination with controlled ovarian stimulation
No full textAbstract not availableInge M. Custers, Tamar E. König, Frank J. Broekmans, Peter G. A. Hompes, Eugenie Kaaijk, Jur Oosterhuis, Monique H. Mochtar, Sjoerd Repping, Madelon van Wely, Pieternel Steures, Fulco van der Veen, and Ben W. J. Mo
Subfertility and assisted reproduction techniques are associated with poorer cardiometabolic profiles in childhood
No full textAbstract not availableMartina Pontesilli, Rebecca C. Painter, Iris J. Grooten, Joris A. van der Post, Ben Willem Mol, Tanja G.M. Vrijkotte, Sjoerd Repping, Tessa J. Roseboo
Cost-effectiveness of assisted conception for male subfertility
No full textAbstract not availableLobke M Moolenaar, Maarje Cissen, Jan Peter de Bruin, Peter GA Hompes, Sjoerd Repping, Fulco van der Veen, Ben Willem J Mo
Effects of in vitro fertilization and maternal characteristics on perinatal outcomes: a population-based study using siblings
No full textAbstract not availableJorien Seggers, Martina Pontesilli, Anita C. J. Ravelli, Rebecca C. Painter, Mijna Hadders-Algra, Maas Jan Heineman, Sjoerd Repping, Ben Willem J. Mol, Tessa J. Roseboom and Sabine Ensin
Reproducibility and reliability of repeated semen analyses in male partners of subfertile couples
No full textPresented in part at the 65th Annual Meeting of the American Society for Reproductive Medicine, Atlanta, Georgia, October 17–21, 2009.Abstract not availableEsther Leushuis, Jan Willem van der Steeg, Pieternel Steures, Sjoerd Repping, Patrick M.M. Bossuyt, Marinus A. Blankenstein, Ben Willem J. Mol, Fulco van der Veen, and Peter G.A. Hompe
Going Beyond Counting First Authors in Author Co-citation Analysis
Full text linkThe present study examines one of the fundamental aspects of author co-citation analysis (ACA) - the way co-citation
counts are defined. Co-citation counting provides the data on which all subsequent statistical analyses and mappings
are based, and we compare ACA results based on two different types of co-citation counting - the traditional type that
only counts the first one among a cited work's authors on the one hand and a non-traditional type that takes into
account the first 5 authors of a cited work on the other hand. Results indicate that the picture produced through this non-traditional author co-citation counting contains more coherent author groups and is therefore considerably clearer. However, this picture represents fewer specialties in the research field being studied than that produced through the traditional first-author co-citation counting when the same number of top-ranked authors is selected and analyzed. Reasons for these effects are discussed
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