Karel Maršál

13.1k total citations · 3 hit papers
299 papers, 9.2k citations indexed

About

Karel Maršál is a scholar working on Pediatrics, Perinatology and Child Health, Obstetrics and Gynecology and Pulmonary and Respiratory Medicine. According to data from OpenAlex, Karel Maršál has authored 299 papers receiving a total of 9.2k indexed citations (citations by other indexed papers that have themselves been cited), including 207 papers in Pediatrics, Perinatology and Child Health, 152 papers in Obstetrics and Gynecology and 107 papers in Pulmonary and Respiratory Medicine. Recurrent topics in Karel Maršál's work include Pregnancy and preeclampsia studies (124 papers), Neonatal Respiratory Health Research (88 papers) and Neonatal and fetal brain pathology (82 papers). Karel Maršál is often cited by papers focused on Pregnancy and preeclampsia studies (124 papers), Neonatal Respiratory Health Research (88 papers) and Neonatal and fetal brain pathology (82 papers). Karel Maršál collaborates with scholars based in Sweden, Norway and United States. Karel Maršál's co-authors include Göran Lingman, L. Valentin, Karin Källén, Sæmundur Gudmundsson, Fredrik Serenius, S. H. Eik‐Nes, Mikael Norman, Per Olofsson, Lena Hellström‐Westas and Isis Amer‐Wåhlin and has published in prestigious journals such as The Lancet, JAMA and Journal of Clinical Investigation.

In The Last Decade

Karel Maršál

291 papers receiving 8.9k citations

Hit Papers

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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.

One-Year Survival of Extremely Preterm Infants After Active Perinatal Care in Sweden

2009 487 citations Lena Hellström‐Westas, Mikael Norman et al. profile →
Neurodevelopmental Outcome in Extremely Preterm Infants at 2.5 Years After Active Perinatal Care in Sweden

2013 396 citations Fredrik Serenius, Karin Källén et al. profile →
Association Between Year of Birth and 1-Year Survival Among Extremely Preterm Infants in Sweden During 2004-2007 and 2014-2016

2019 199 citations Mikael Norman, Boubou Hallberg et al. profile →

Author Peers

Peers are selected by citation overlap in the author's most active subfields. citations · hero ref

Author						Papers	Cites
Karel Maršál	6.0k	4.2k	3.0k	1.1k	945	299	9.2k
Gerard H.A. Visser	5.4k 0.9×	5.3k 1.3×	1.5k 0.5×	1.0k 1.0×	1.5k 1.5×	186	10.9k
Lawrence D. Platt	4.6k 0.8×	2.3k 0.6×	1.1k 0.4×	1.3k 1.3×	1.5k 1.5×	235	7.3k
Lesley McCowan	5.9k 1.0×	6.6k 1.6×	1.0k 0.3×	1.1k 1.1×	812 0.9×	274	10.1k
Mikael Norman	6.0k 1.0×	3.0k 0.7×	4.1k 1.4×	1.6k 1.5×	2.1k 2.2×	277	11.5k
Kurt Hecher	8.4k 1.4×	6.4k 1.5×	1.3k 0.4×	1.5k 1.5×	1.4k 1.5×	250	10.9k
Jeffrey P. Phelan	3.7k 0.6×	3.2k 0.8×	1.4k 0.5×	686 0.7×	917 1.0×	145	5.9k
Pierre‐Yves Ancel	4.8k 0.8×	1.3k 0.3×	3.3k 1.1×	1.5k 1.5×	633 0.7×	230	7.5k
Alison G. Cahill	5.2k 0.9×	5.1k 1.2×	977 0.3×	1.2k 1.2×	1.3k 1.4×	465	8.6k
Joris van der Post	4.7k 0.8×	5.2k 1.3×	852 0.3×	831 0.8×	568 0.6×	234	8.7k
Suneet P. Chauhan	5.9k 1.0×	6.3k 1.5×	1.3k 0.4×	1.3k 1.2×	1.6k 1.7×	501	9.9k

Countries citing papers authored by Karel Maršál

Since Specialization

Citations

This map shows the geographic impact of Karel Maršál'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 Karel Maršál with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Karel Maršál more than expected).

Fields of papers citing papers by Karel Maršál

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Karel Maršál. 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 Karel Maršál. The network helps show where Karel Maršál may publish in the future.

Co-authorship network of co-authors of Karel Maršál

This figure shows the co-authorship network connecting the top 25 collaborators of Karel Maršál. A scholar is included among the top collaborators of Karel Maršál 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 Karel Maršál. Karel Maršál is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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20 of 20 papers shown

Maršál, Karel, et al.. (2021). Detection and clinical outcome of small‐for‐gestational‐age fetuses in the third trimester—A comparison between routine ultrasound examination and examination on indication. Acta Obstetricia Et Gynecologica Scandinavica. 101(1). 102–110. 4 indexed citations

Norman, Mikael, Boubou Hallberg, Thomas Abrahamsson, et al.. (2019). Association Between Year of Birth and 1-Year Survival Among Extremely Preterm Infants in Sweden During 2004–2007 and 2014–2016. Obstetrical & Gynecological Survey. 74(8). 456–458. 64 indexed citations

Sandblom, Johan, et al.. (2018). Antenatal corticosteroids: a retrospective cohort study on timing, indications and neonatal outcome. Acta Obstetricia Et Gynecologica Scandinavica. 97(5). 591–597. 18 indexed citations

Serenius, Fredrik, Uwe Ewald, Aijaz Farooqi, et al.. (2016). Neurodevelopmental Outcomes Among Extremely Preterm Infants 6.5 Years After Active Perinatal Care in Sweden. JAMA Pediatrics. 170(10). 954–954. 224 indexed citations

Serenius, Fredrik, Karin Källén, Mats Blennow, et al.. (2013). Neurodevelopmental Outcome in Extremely Preterm Infants at 2.5 Years After Active Perinatal Care in Sweden. Obstetrical & Gynecological Survey. 68(12). 781–783.

Honkanen, Hanna, W. Allan Nix, Maarit Oikarinen, et al.. (2012). Seroconversion to Islet Autoantibodies After Enterovirus Infection in Early Pregnancy. Viral Immunology. 25(4). 254–261. 19 indexed citations

Amer‐Wåhlin, Isis, Sabaratnam Arulkumaran, Henrik Hagberg, Karel Maršál, & GHA Visser. (2007). Fetal electrocardiogram: ST waveform analysis in intrapartum surveillance. BJOG An International Journal of Obstetrics & Gynaecology. 114(10). 1191–1193. 100 indexed citations

Habiba, Marwan, Karel Maršál, Otto P. Bleker, et al.. (2006). Caesarean Section on Request: A Comparison of Obstetricians??? Attitudes in Eight European Countries. Obstetrical & Gynecological Survey. 61(9). 575–576. 5 indexed citations

Olofsson, Per, et al.. (2004). Low umbilical artery vascular flow resistance and fetal outcome. Acta Obstetricia Et Gynecologica Scandinavica. 83(5). 440–442. 8 indexed citations

10.

Olofsson, Per, et al.. (2004). Low umbilical artery vascular flow resistance and fetal outcome. Acta Obstetricia Et Gynecologica Scandinavica. 83(5). 440–442. 5 indexed citations

11.

Lövgren, Janita, et al.. (1999). Measurement of Prostate‐Specific Antigen and Human Glandular Kallikrein 2 in Different Body Fluids. Journal of Andrology. 20(3). 348–355. 81 indexed citations

12.

Gudmundsson, Sæmundur, et al.. (1998). Uterine and umbilical artery velocimetry in pre‐eclampsia. Acta Obstetricia Et Gynecologica Scandinavica. 77(6). 614–619. 28 indexed citations

13.

Gudmundsson, Sæmundur, et al.. (1998). Cerebral Doppler blood flow velocimetry and central hemodynamics in the ovine fetus during hypoxemia-acidemia. Journal of Perinatal Medicine. 26(2). 107–114. 6 indexed citations

14.

Valentin, L., P. Sladkevicius, Ricardo Laurini, et al.. (1995). Effect of a prostaglandin E1 analogue (gemeprost) on uterine and luteal circulation in normal first trimester pregnancies. A Doppler velocimetry study. European Journal of Obstetrics & Gynecology and Reproductive Biology. 59(1). 25–34. 5 indexed citations

15.

Stale, Håkan, et al.. (1991). Aortic diameter pulse waves and blood flow velocity in the small, for gestational age, fetus. Ultrasound in Medicine & Biology. 17(5). 471–478. 31 indexed citations

16.

Malcus, Peter, E. van Beek, & Karel Maršál. (1991). Umbilical artery velocimetry and non‐stress test in monitoring high‐risk pregnancies. A comparative longitudinal study. Ultrasound in Obstetrics and Gynecology. 1(2). 95–101. 8 indexed citations

17.

Maršál, Karel, et al.. (1989). Quantification of fetal motor activity in early pregnancy. European Journal of Obstetrics & Gynecology and Reproductive Biology. 30(1). 11–18. 8 indexed citations

18.

Lindblad, Annika, Karel Maršál, E. Vernersson, & H. Renck. (1984). Fetal circulation during epidural analgesia for caesarean section.. BMJ. 288(6427). 1329–1330. 11 indexed citations

19.

Henriksson, L. & Karel Maršál. (1982). Bedside ultrasound diagnosis of residual urine volume. Archives of Gynecology and Obstetrics. 231(2). 129–133. 11 indexed citations

20.

Maršál, Karel. (1978). Fetal breathing movements. Characteristics and clinical significance.. PubMed. 52(4). 394–401. 27 indexed citations

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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