Svend G. Johnsen

2.7k total citations · 1 hit paper
57 papers, 2.2k citations indexed

About

Svend G. Johnsen is a scholar working on Endocrinology, Diabetes and Metabolism, Reproductive Medicine and Genetics. According to data from OpenAlex, Svend G. Johnsen has authored 57 papers receiving a total of 2.2k indexed citations (citations by other indexed papers that have themselves been cited), including 22 papers in Endocrinology, Diabetes and Metabolism, 17 papers in Reproductive Medicine and 15 papers in Genetics. Recurrent topics in Svend G. Johnsen's work include Hormonal and reproductive studies (19 papers), Sperm and Testicular Function (14 papers) and Genetic and Clinical Aspects of Sex Determination and Chromosomal Abnormalities (10 papers). Svend G. Johnsen is often cited by papers focused on Hormonal and reproductive studies (19 papers), Sperm and Testicular Function (14 papers) and Genetic and Clinical Aspects of Sex Determination and Chromosomal Abnormalities (10 papers). Svend G. Johnsen collaborates with scholars based in Denmark, United Kingdom and United States. Svend G. Johnsen's co-authors include Peter Agger, Anders Frøland, O. Dietrichson, Jens P. Kampmann, Lars Bo Svendsen, F. Schönau Jørgensen, Christian Gluud, Patrick Bennett, S. Mičić and Anne‐Lise Christensen and has published in prestigious journals such as Psychological Medicine, Fertility and Sterility and Clinical Pharmacology & Therapeutics.

In The Last Decade

Svend G. Johnsen

55 papers receiving 2.1k citations

Hit Papers

Testicular Biopsy Score C... 1970 2026 1988 2007 1970 400 800 1.2k
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. Testicular Biopsy Score Count – A Method for Registration of Spermatogenesis in Human Testes: Normal Values and Results in 335 Hypogonadal Males
    1970 1.4k citations Svend G. Johnsen Hormone Research in Paediatrics profile →

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
Svend G. Johnsen Denmark 18 1.1k 533 492 408 330 57 2.2k
Ikuo Miyagawa Japan 27 1.2k 1.1× 546 1.0× 219 0.4× 790 1.9× 138 0.4× 132 2.3k
Paul J. Keller Switzerland 27 705 0.6× 285 0.5× 213 0.4× 602 1.5× 742 2.2× 100 2.5k
Walter G. Wiest United States 28 779 0.7× 385 0.7× 91 0.2× 811 2.0× 758 2.3× 77 3.1k
Marc Roger France 26 838 0.7× 603 1.1× 342 0.7× 392 1.0× 723 2.2× 53 2.0k
Wael Salameh United States 24 527 0.5× 607 1.1× 322 0.7× 413 1.0× 744 2.3× 39 2.5k
Manubai Nagamani United States 28 864 0.8× 481 0.9× 117 0.2× 573 1.4× 785 2.4× 102 2.7k
James R. Schreiber United States 28 758 0.7× 350 0.7× 182 0.4× 690 1.7× 403 1.2× 61 2.0k
Andrew Leung United States 24 848 0.8× 412 0.8× 119 0.2× 459 1.1× 579 1.8× 40 1.8k
Jolanta Słowikowska‐Hilczer Poland 22 733 0.7× 744 1.4× 341 0.7× 325 0.8× 336 1.0× 105 1.7k
Rajesh S. Mathur United States 27 398 0.4× 694 1.3× 129 0.3× 229 0.6× 838 2.5× 99 2.4k

Countries citing papers authored by Svend G. Johnsen

Since Specialization
Citations

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

Fields of papers citing papers by Svend G. Johnsen

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Svend G. Johnsen. 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 Svend G. Johnsen. The network helps show where Svend G. Johnsen may publish in the future.

Co-authorship network of co-authors of Svend G. Johnsen

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

All Works

20 of 20 papers shown
1.
Fuchs, Flávio Danni, et al.. (1996). EXCRETION OF GONADOTROPINS AND 5-HYDROXYINDOLEACETIC ACID DURING NORMAL AND GESTAGEN-TREATED CYCLES.. PubMed. 9. 139–45.
2.
Daugaard, Gedske, Hans Draminsky Petersen, Ulrik Abildgaard, et al.. (1983). Sequelae to Genital Trauma in Torture Victims. Archives of Andrology. 10(3). 245–248. 22 indexed citations
3.
Gluud, Christian, M. Bahnsen, Paul Bennett, et al.. (1983). Oral Testosterone Load Related to Liver Function in Men with Alcoholic Liver Cirrhosis. Scandinavian Journal of Gastroenterology. 18(3). 391–396. 10 indexed citations
4.
Pedersen, P. S., E. WINGE FLENSBORG, & Svend G. Johnsen. (1981). URINARY 17-KETOSTEROIDS IN CYSTIC FIBROSIS. Acta Paediatrica. 70(4). 507–512. 5 indexed citations
5.
Bahnsen, M., Christian Gluud, Svend G. Johnsen, et al.. (1981). Pituitary‐testicular function in patients with alcoholic cirrhosis of the liver. European Journal of Clinical Investigation. 11(6). 473–479. 40 indexed citations
6.
Johnsen, Svend G.. (1981). Clomiphene stimulation test in men with idiopathic hypospermatogenesis. European Journal of Endocrinology. 96(4). 557–563. 1 indexed citations
7.
Johnsen, Svend G., et al.. (1977). CORRELATION BETWEEN RISES OF GONADOTROPHINS AND RISES OF SEX STEROIDS DURING CLOMIPHENE TEST IN MEN. European Journal of Endocrinology. 86(1). 42–49. 4 indexed citations
8.
Kampmann, Jens P., et al.. (1976). RISE IN DEHYDROEPIANDROSTERONE AND OESTROGENS DURING CLOMIPHENE ADMINISTRATION IN NORMAL MEN. European Journal of Endocrinology. 83(1). 166–172. 8 indexed citations
9.
Johnsen, Svend G., et al.. (1976). Enzyme induction by oral testosterone. Clinical Pharmacology & Therapeutics. 20(2). 233–237. 22 indexed citations
10.
Johnsen, Svend G.. (1970). Testicular Biopsy Score Count – A Method for Registration of Spermatogenesis in Human Testes: Normal Values and Results in 335 Hypogonadal Males. Hormone Research in Paediatrics. 1(1). 2–25. 1420 indexed citations breakdown →
11.
Johnsen, Svend G.. (1969). TWO TYPES OF SERTOLI CELLS IN MAN. European Journal of Endocrinology. 61(1). 111–116. 6 indexed citations
12.
Johnsen, Svend G.. (1968). ABNORMAL URINARY ANDROSTERONE/ETIOCHOLANOLONE RATIO IN HYPOTHALAMIC DISTURBANCES IN MAN. European Journal of Endocrinology. 57(4). 595–614. 9 indexed citations
13.
Johnsen, Svend G.. (1967). THE MECHANISMS INVOLVED IN TESTICULAR DEGENERATION IN MAN. European Journal of Endocrinology. 56(4_Suppl). S17–S40. 9 indexed citations
14.
Lauritzen, J, Anders Frøland, & Svend G. Johnsen. (1965). SEXUAL DIFFERENTIATION IN THE XXXXY CHROMOSOME CONSTITUTION. Acta Pathologica Microbiologica Scandinavica. 65(3). 321–328. 6 indexed citations
15.
Johnsen, Svend G. & Fritz Fuchs. (1962). URINARY EXCRETION OF PITUITARY GONADOTROPHINS DURING LACTATION. Obstetrical & Gynecological Survey. 17(4). 557–558. 1 indexed citations
16.
Johnsen, Svend G. & C Hamburger. (1959). Studies on urinary gonadotrophins. IV. Qualitative difference between the international reference preparation for human menopausal gonadotrophin and other extracts of urine from postmenopausal women.. PubMed. 32. 497–508. 2 indexed citations
17.
Johnsen, Svend G. & Christian Hamburger. (1959). STUDIES ON URINARY GONADOTROPHINS. European Journal of Endocrinology. XXXII(IV). 497–508. 1 indexed citations
18.
Johnsen, Svend G.. (1957). CLINICAL MANIFESTATION OF ADIPOSOGENITAL DYSTROPHY IN ADULT MEN: RESULTS OF A FOLLOW-UP STUDY OF FAT, FEMININE BOYS. European Journal of Endocrinology. 24(3_Suppl). S191–S197. 2 indexed citations
19.
Fuchs, Flávio Danni, et al.. (1956). CYTOLOGICAL SEX DETERMINATION IN DISORDERS OF SEXUAL DEVELOPMENT. Human Heredity. 6(2). 256–260. 2 indexed citations
20.
Johnsen, Svend G.. (1955). STUDIES ON URINARY GONADOTROPHINS I.. European Journal of Endocrinology. 20(1). 101–105. 3 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.

Explore authors with similar magnitude of impact

Breakdown of academic impact, for papers by Ikuo Miyagawa Breakdown of academic impact, for papers by Paul J. Keller Breakdown of academic impact, for papers by Walter G. Wiest Breakdown of academic impact, for papers by Marc Roger Breakdown of academic impact, for papers by Wael Salameh Breakdown of academic impact, for papers by Manubai Nagamani Breakdown of academic impact, for papers by James R. Schreiber Breakdown of academic impact, for papers by Andrew Leung Breakdown of academic impact, for papers by Jolanta Słowikowska‐Hilczer Breakdown of academic impact, for papers by Rajesh S. Mathur
Rankless by CCL
2026