J Karbaat

1.1k total citations · 1 hit paper
8 papers, 793 citations indexed

About

J Karbaat is a scholar working on Pediatrics, Perinatology and Child Health, Reproductive Medicine and Infectious Diseases. According to data from OpenAlex, J Karbaat has authored 8 papers receiving a total of 793 indexed citations (citations by other indexed papers that have themselves been cited), including 5 papers in Pediatrics, Perinatology and Child Health, 4 papers in Reproductive Medicine and 3 papers in Infectious Diseases. Recurrent topics in J Karbaat's work include Assisted Reproductive Technology and Twin Pregnancy (5 papers), Ovarian function and disorders (3 papers) and Reproductive Health and Technologies (3 papers). J Karbaat is often cited by papers focused on Assisted Reproductive Technology and Twin Pregnancy (5 papers), Ovarian function and disorders (3 papers) and Reproductive Health and Technologies (3 papers). J Karbaat collaborates with scholars based in Netherlands. J Karbaat's co-authors include Egbert R. te Velde, Boukje Zaadstra, Jacob C. Seidell, J. Dik F. Habbema, J. Dik F. Habbema, Caspar W.N. Looman, B.M. van Noord‐Zaadstra, L. Spence and P.J. van der Maas and has published in prestigious journals such as Fertility and Sterility, Paediatric and Perinatal Epidemiology and PubMed.

In The Last Decade

J Karbaat

7 papers receiving 747 citations

Hit Papers

align trajectories

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

Fat and female fecundity: prospective study of effect of body fat distribution on conception rates.

1993 439 citations Boukje Zaadstra, Jacob C. Seidell et al. BMJ profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name	h						Papers	Cites
J Karbaat Netherlands	4	417	323	314	138	98	8	793
Boukje Zaadstra Netherlands	3	201 0.5×	167 0.5×	161 0.5×	133 1.0×	88 0.9×	5	493
Patricia Schreiner-Engel United States	16	242 0.6×	163 0.5×	101 0.3×	94 0.7×	49 0.5×	22	1.1k
Fernand Leroy Belgium	15	285 0.7×	246 0.8×	248 0.8×	53 0.4×	187 1.9×	27	642
Elizabeth A. Lenton United Kingdom	22	950 2.3×	637 2.0×	274 0.9×	41 0.3×	181 1.8×	43	1.4k
Sirpa Vilska Finland	17	893 2.1×	685 2.1×	1.0k 3.3×	20 0.1×	162 1.7×	28	1.6k
LYNNE SEXTON United Kingdom	6	426 1.0×	356 1.1×	87 0.3×	38 0.3×	46 0.5×	7	695
Günter Freundl Germany	14	677 1.6×	480 1.5×	293 0.9×	17 0.1×	65 0.7×	46	1.0k
Joseph Doyle United States	14	587 1.4×	516 1.6×	325 1.0×	35 0.3×	151 1.5×	28	843
Raoul Scherwitzl Sweden	9	224 0.5×	217 0.7×	68 0.2×	44 0.3×	45 0.5×	11	486
Terry R. Groff United States	7	128 0.3×	64 0.2×	28 0.1×	58 0.4×	29 0.3×	13	375

Countries citing papers authored by J Karbaat

Since Specialization

Citations

This map shows the geographic impact of J Karbaat's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by J Karbaat with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites J Karbaat more than expected).

Fields of papers citing papers by J Karbaat

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by J Karbaat. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by J Karbaat. The network helps show where J Karbaat may publish in the future.

Co-authorship network of co-authors of J Karbaat

This figure shows the co-authorship network connecting the top 25 collaborators of J Karbaat. A scholar is included among the top collaborators of J Karbaat based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with J Karbaat. J Karbaat is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

Sort: Min cites: Since: Top N: Style:

8 of 8 papers shown

1.

Zaadstra, Boukje, Caspar W.N. Looman, Egbert R. te Velde, J. Dik F. Habbema, & J Karbaat. (1994). Moderate drinking: no impact on female fecundity. Fertility and Sterility. 62(5). 948–954. 26 indexed citations

2.

Zaadstra, Boukje, et al.. (1993). Fat and female fecundity: prospective study of effect of body fat distribution on conception rates.. BMJ. 306(6876). 484–487. 439 indexed citations breakdown →

3.

Noord‐Zaadstra, B.M. van, et al.. (1991). Delaying childbearing: effect of age on fecundity and outcome of pregnancy.. BMJ. 302(6789). 1361–1365. 318 indexed citations

4.

Noord‐Zaadstra, B.M. van, J Karbaat, Egbert R. te Velde, J. Dik F. Habbema, & P.J. van der Maas. (1989). The study of risk habits in reproductive and perinatal epidemiologic research: the use of a donor inseminated population of women. Paediatric and Perinatal Epidemiology. 3(1). 11–18. 3 indexed citations

5.

Karbaat, J, et al.. (1980). [Percentage of conception following donor insemination; a study of 659 women inseminated with fresh donor semen].. PubMed. 124(16). 581–7. 2 indexed citations

6.

Spence, L., et al.. (1968). Arbovirus infections in Dutch military personnel stationed in Surinam. Further studies.. PubMed. 20(3). 251–6. 4 indexed citations

7.

Karbaat, J, et al.. (1967). Histoplasmosis in Dutch servicemen returning from Surinam.. PubMed. 19(3). 177–86. 1 indexed citations

8.

Karbaat, J. (1965). Arthropod-borne virus infections in Dutch soldiers stationed in Surinam.. PubMed. 17(2). 187–9.

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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