John F. O’Connor

6.2k total citations · 2 hit papers
90 papers, 4.6k citations indexed

About

John F. O’Connor is a scholar working on Pediatrics, Perinatology and Child Health, Public Health, Environmental and Occupational Health and Genetics. According to data from OpenAlex, John F. O’Connor has authored 90 papers receiving a total of 4.6k indexed citations (citations by other indexed papers that have themselves been cited), including 16 papers in Pediatrics, Perinatology and Child Health, 15 papers in Public Health, Environmental and Occupational Health and 15 papers in Genetics. Recurrent topics in John F. O’Connor's work include Hypothalamic control of reproductive hormones (10 papers), Estrogen and related hormone effects (7 papers) and Pediatric Urology and Nephrology Studies (7 papers). John F. O’Connor is often cited by papers focused on Hypothalamic control of reproductive hormones (10 papers), Estrogen and related hormone effects (7 papers) and Pediatric Urology and Nephrology Studies (7 papers). John F. O’Connor collaborates with scholars based in United States, Canada and United Kingdom. John F. O’Connor's co-authors include John P. Schlatterer, Robert E. Canfield, Allen J. Wilcox, BRUCE C. NISULA, Eileen Armstrong, Clarice R. Weinberg, Donna D. Baird, Steven Birken, E. D. Clegg and Michael J. Zinaman and has published in prestigious journals such as Science, New England Journal of Medicine and Journal of Clinical Oncology.

In The Last Decade

John F. O’Connor

82 papers receiving 4.3k 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.

Incidence of Early Loss of Pregnancy

1988 1.7k citations Allen J. Wilcox, Clarice R. Weinberg et al. New England Journal of Medicine profile →
Estimates of human fertility and pregnancy loss

1996 430 citations Michael J. Zinaman, E. D. Clegg et al. Fertility and Sterility profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
John F. O’Connor United States	29	1.5k	1.1k	883	862	772	90	4.6k
S. Mashiach Israel	38	1.9k 1.3×	1.5k 1.4×	442 0.5×	1.8k 2.1×	1.0k 1.3×	186	4.5k
Christopher J. Haines Hong Kong	35	1.1k 0.8×	1.9k 1.7×	814 0.9×	853 1.0×	661 0.9×	111	4.9k
Joseph G. Schenker Israel	34	2.0k 1.3×	1.2k 1.1×	559 0.6×	2.4k 2.8×	809 1.0×	141	4.7k
Shlomo Mashiach Israel	40	2.5k 1.7×	2.0k 1.8×	670 0.8×	2.5k 2.9×	1.4k 1.8×	176	5.6k
Göran Berg Sweden	35	1.4k 1.0×	718 0.6×	2.3k 2.6×	509 0.6×	1.7k 2.2×	97	4.7k
Antti Kauppila Finland	46	1.1k 0.8×	761 0.7×	837 0.9×	2.6k 3.0×	1.8k 2.3×	291	6.9k
William E. Gibbons United States	43	1.7k 1.2×	995 0.9×	769 0.9×	1.9k 2.2×	961 1.2×	178	5.6k
Hisanori Minakami Japan	36	1.0k 0.7×	1.8k 1.6×	737 0.8×	626 0.7×	2.1k 2.7×	314	5.2k
Frans M. Helmerhorst Netherlands	48	3.1k 2.1×	2.3k 2.1×	489 0.6×	2.0k 2.3×	1.2k 1.5×	149	7.5k
T. Chard United Kingdom	27	351 0.2×	937 0.8×	420 0.5×	257 0.3×	777 1.0×	118	2.7k

Countries citing papers authored by John F. O’Connor

Since Specialization

Citations

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

Fields of papers citing papers by John F. O’Connor

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by John F. O’Connor. 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 John F. O’Connor. The network helps show where John F. O’Connor may publish in the future.

Co-authorship network of co-authors of John F. O’Connor

This figure shows the co-authorship network connecting the top 25 collaborators of John F. O’Connor. A scholar is included among the top collaborators of John F. O’Connor 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 John F. O’Connor. John F. O’Connor 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:

20 of 20 papers shown

O’Connor, John F.. (2007). Statistics and the Military Deference Doctrine: a Response to Professor Lichtman. Maryland law review. 66(3). 668.

Kovalevskaya, Galina, Tetsuya Kakuma, John P. Schlatterer, & John F. O’Connor. (2006). Hyperglycosylated HCG expression in pregnancy: Cellular origin and clinical applications. Molecular and Cellular Endocrinology. 260-262. 237–243. 22 indexed citations

McChesney, Ruth, Allen J. Wilcox, John F. O’Connor, et al.. (2005). Intact HCG, free HCG β subunit and HCG β core fragment: longitudinal patterns in urine during early pregnancy. Human Reproduction. 20(4). 928–935. 44 indexed citations

Mitchell, Andrew R.J., et al.. (2004). Myocardial injury, neurohormonal activation and inflammation after internal atrial defibrillation. International Journal of Cardiology. 103(1). 67–72. 3 indexed citations

O’Connor, John F.. (2003). Insurance Coverage Settlements and the Rights of Excess Insurers. Maryland law review. 62(1). 30.

O’Connor, John F., Nancy J. Ellish, Tatsu Kakuma, John P. Schlatterer, & Galina Kovalevskaya. (1998). Differential urinary gonadotrophin profiles in early pregnancy and early pregnancy loss. Prenatal Diagnosis. 18(12). 1232–1240. 69 indexed citations

O’Connor, John F., Galina Kovalevskaya, Steven Birken, et al.. (1998). The expression of the urinary forms of human luteinizing hormone beta fragment in various populations as assessed by a specific immunoradiometric assay. Human Reproduction. 13(4). 826–835. 22 indexed citations

Kesner, James S., et al.. (1998). Detecting pre-ovulatory luteinizing hormone surges in urine. Human Reproduction. 13(1). 15–21. 32 indexed citations

Sharma, Kumar, Robert V. Considine, Beckie Michael, et al.. (1997). Plasma leptin is partly cleared by the kidney and is elevated in hemodialysis patients. Kidney International. 51(6). 1980–1985. 201 indexed citations

10.

Zinaman, Michael J., E. D. Clegg, Charles Brown, John F. O’Connor, & Sherry G. Selevan. (1996). Estimates of human fertility and pregnancy loss. Fertility and Sterility. 65(3). 503–509. 430 indexed citations breakdown →

11.

O’Connor, John F.. (1995). The Emoluments Clause: An Anti-Federalist Intruder in a Federalist Constitution. Hofstra law review. 24(1). 2.

12.

Griscom, N T & John F. O’Connor. (1995). The rise and fall of a radiologic technique.. American Journal of Roentgenology. 164(4). 1011–1012. 1 indexed citations

13.

O’Connor, John F., Steven Birken, Joyce W. Lustbader, et al.. (1994). Recent Advances in the Chemistry and Immunochemistry of Human Chorionic Gonadotropin: Impact on Clinical Measurements*. Endocrine Reviews. 15(5). 650–683. 64 indexed citations

14.

Sinsky, Christine A., Philip J. Dahlberg, & John F. O’Connor. (1993). Unilateral acquired renal cystic diseas and neoplasia in a patient with renal artery stenosis. Urology. 41(3). 287–288. 1 indexed citations

15.

Taylor, Clinton A., James W. Overstreet, Steven J. Samuels, et al.. (1992). Prospective assessment of early fetal loss using an immunoenzymometric screening assay for detection of urinary human chorionic gonadotropin. Fertility and Sterility. 57(6). 1220–1224. 15 indexed citations

16.

Wilcox, Allen J., Clarice R. Weinberg, John F. O’Connor, et al.. (1988). Incidence of Early Loss of Pregnancy. New England Journal of Medicine. 319(4). 189–194. 1716 indexed citations breakdown →

17.

Canfield, R E, John F. O’Connor, Steven Birken, Alexander Krichevsky, & Allen J. Wilcox. (1987). Development of an assay for a biomarker of pregnancy and early fetal loss.. Environmental Health Perspectives. 74. 57–66. 36 indexed citations

18.

Feins, Neil R. & John F. O’Connor. (1979). Multiple genitourinary abnormalities in females with unilateral renal agenesis: Three cases. Journal of Pediatric Surgery. 14(6). 839–843. 3 indexed citations

19.

Fishman, Jack, David K. Fukushima, John F. O’Connor, et al.. (1978). Plasma hormone profiles of young women at risk for familial breast cancer.. Munich Personal RePEc Archive (Ludwig Maximilian University of Munich). 38(11 Pt 2). 4006–11. 33 indexed citations

20.

O’Connor, John F.. (1974). Radiology and Pediatrics. Pediatric Clinics of North America. 21(2). 323–340. 1 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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