S.E.M. Lewis

889 total citations · 1 hit paper
8 papers, 619 citations indexed

About

S.E.M. Lewis is a scholar working on Reproductive Medicine, Public Health, Environmental and Occupational Health and Pollution. According to data from OpenAlex, S.E.M. Lewis has authored 8 papers receiving a total of 619 indexed citations (citations by other indexed papers that have themselves been cited), including 7 papers in Reproductive Medicine, 5 papers in Public Health, Environmental and Occupational Health and 1 paper in Pollution. Recurrent topics in S.E.M. Lewis's work include Sperm and Testicular Function (6 papers), Reproductive Biology and Fertility (5 papers) and Ovarian function and disorders (2 papers). S.E.M. Lewis is often cited by papers focused on Sperm and Testicular Function (6 papers), Reproductive Biology and Fertility (5 papers) and Ovarian function and disorders (2 papers). S.E.M. Lewis collaborates with scholars based in United Kingdom, Sweden and South Africa. S.E.M. Lewis's co-authors include Sarah J. Conner, Lynne Robinson, Ioannis Gallos, Madhurima Rajkhowa, David Miller, Jackson Kirkman‐Brown, A Coomarasamy, W. Thompson, Carmel Hughes and Valerie J. McKelvey‐Martin and has published in prestigious journals such as The Journal of Urology, Human Reproduction and Mutation research. Fundamental and molecular mechanisms of mutagenesis.

In The Last Decade

S.E.M. Lewis

7 papers receiving 589 citations

Hit Papers

The effect of sperm DNA fragmentation on miscarriage rate... 2012 2026 2016 2021 2012 100 200 300 400
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.

  1. The effect of sperm DNA fragmentation on miscarriage rates: a systematic review and meta-analysis
    2012 413 citations Lynne Robinson, Ioannis Gallos et al. Human Reproduction profile →

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
S.E.M. Lewis United Kingdom 6 491 420 104 70 59 8 619
J.-M. Grillo France 11 296 0.6× 214 0.5× 122 1.2× 95 1.4× 22 0.4× 30 422
Shubhashree Uppangala India 14 288 0.6× 316 0.8× 92 0.9× 109 1.6× 25 0.4× 45 490
Jaroslav J. Marik United States 4 487 1.0× 350 0.8× 37 0.4× 42 0.6× 72 1.2× 10 575
N. Kanakas Greece 10 355 0.7× 223 0.5× 59 0.6× 97 1.4× 52 0.9× 24 481
Jerry L. Hall United States 14 502 1.0× 440 1.0× 152 1.5× 57 0.8× 88 1.5× 22 645
J. Saïas‐Magnan France 11 442 0.9× 295 0.7× 92 0.9× 133 1.9× 35 0.6× 32 588
Ashok Agarwal United States 7 431 0.9× 307 0.7× 56 0.5× 76 1.1× 46 0.8× 13 529
K. Harrison Australia 10 429 0.9× 519 1.2× 352 3.4× 87 1.2× 70 1.2× 28 755
S. Al‐Hasani Germany 12 225 0.5× 207 0.5× 79 0.8× 30 0.4× 28 0.5× 22 321
C. Avendaño United States 7 464 0.9× 409 1.0× 93 0.9× 77 1.1× 32 0.5× 15 554

Countries citing papers authored by S.E.M. Lewis

Since Specialization
Citations

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

Fields of papers citing papers by S.E.M. Lewis

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by S.E.M. Lewis. 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 S.E.M. Lewis. The network helps show where S.E.M. Lewis may publish in the future.

Co-authorship network of co-authors of S.E.M. Lewis

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

All Works

8 of 8 papers shown
1.
Mendiola, Jaime, María José Serrano, Juan Mozas, et al.. (2012). Proposal of guidelines for the appraisal of SEMen QUAlity studies (SEMQUA). Human Reproduction. 28(1). 10–21. 38 indexed citations
2.
Robinson, Lynne, Ioannis Gallos, Sarah J. Conner, et al.. (2012). The effect of sperm DNA fragmentation on miscarriage rates: a systematic review and meta-analysis. Human Reproduction. 27(10). 2908–2917. 413 indexed citations breakdown →
3.
Lewis, S.E.M.. (2004). An algorithm to predict pregnancy in assisted reproduction. Human Reproduction. 19(6). 1385–1394. 37 indexed citations
4.
Taylor, Steven J., et al.. (1999). P-024. The effects of polyvinylpyrrolidone on the DNA integrity, gross morphology and ultrastructure of human spermatozoa. Human Reproduction. 14(Suppl_3). 151–151. 1 indexed citations
5.
Anderson, L., S.E.M. Lewis, & Neil McClure. (1999). The Effects of Coital Lubricants on Sperm Motility In Vitro. The Journal of Urology. 162(2). 627–627.
6.
McKelvey‐Martin, Valerie J., et al.. (1997). Two potential clinical applications of the alkaline single-cell gel electrophoresis assay: (1) human bladder washings and transitional cell carcinoma of the bladder; and (2) human sperm and male infertility. Mutation research. Fundamental and molecular mechanisms of mutagenesis. 375(2). 93–104. 82 indexed citations
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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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Breakdown of academic impact, for papers by J.-M. Grillo Breakdown of academic impact, for papers by Shubhashree Uppangala Breakdown of academic impact, for papers by Jaroslav J. Marik Breakdown of academic impact, for papers by N. Kanakas Breakdown of academic impact, for papers by Jerry L. Hall Breakdown of academic impact, for papers by J. Saïas‐Magnan Breakdown of academic impact, for papers by Ashok Agarwal Breakdown of academic impact, for papers by K. Harrison Breakdown of academic impact, for papers by S. Al‐Hasani Breakdown of academic impact, for papers by C. Avendaño
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2026