STEVEN BIRKEN

458 total citations
8 papers, 367 citations indexed

About

STEVEN BIRKEN is a scholar working on Reproductive Medicine, Molecular Biology and Public Health, Environmental and Occupational Health. According to data from OpenAlex, STEVEN BIRKEN has authored 8 papers receiving a total of 367 indexed citations (citations by other indexed papers that have themselves been cited), including 6 papers in Reproductive Medicine, 5 papers in Molecular Biology and 2 papers in Public Health, Environmental and Occupational Health. Recurrent topics in STEVEN BIRKEN's work include Hypothalamic control of reproductive hormones (6 papers), DNA and Nucleic Acid Chemistry (4 papers) and Reproductive System and Pregnancy (2 papers). STEVEN BIRKEN is often cited by papers focused on Hypothalamic control of reproductive hormones (6 papers), DNA and Nucleic Acid Chemistry (4 papers) and Reproductive System and Pregnancy (2 papers). STEVEN BIRKEN collaborates with scholars based in United States, Finland and Canada. STEVEN BIRKEN's co-authors include Alexander Krichevsky, Robert E. Canfield, Ulf‐Håkan Stenman, Henrik Alfthan, Kristina Hotakainen, Leena Valmu, M A Kolks, Judith L. Vaitukaitis, Laurence A. Cole and A Kardana and has published in prestigious journals such as Endocrinology and Glycobiology.

In The Last Decade

STEVEN BIRKEN

8 papers receiving 352 citations

Peers

Countries citing papers authored by STEVEN BIRKEN

Since Specialization

Citations

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

Fields of papers citing papers by STEVEN BIRKEN

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of STEVEN BIRKEN

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

All Works

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8 of 8 papers shown

#	Work	Indexed citations
1	Site-specific glycan analysis of human chorionic gonadotropin -subunit from malignancies and pregnancy by liquid chromatography--electrospray mass spectrometry 2006 ·Glycobiology ·Leena Valmu, Henrik Alfthan, Kristina Hotakainen, STEVEN BIRKEN, Ulf‐Håkan Stenman	97
2	Separation of nicked human chorionic gonadotropin (hCG), intact hCG, and hCG beta fragment from standard reference preparations and raw urine samples. 1993 ·Endocrinology ·STEVEN BIRKEN, Y Chen, Mary Ann Gawinowicz, Joyce W. Lustbader, Susan Pollak, (unknown), (unknown), Jacqueline M. O’Connor	22
3	Separation of nicked human chorionic gonadotropin (hCG), intact hCG, and hCG beta fragment from standard reference preparations and raw urine samples 1993 ·Endocrinology ·STEVEN BIRKEN	10
4	Development and Characterization of a New, Highly Specific Antibody to the Human Chorionic Gonadotropin-β Fragment* 1991 ·Endocrinology ·Alexander Krichevsky, STEVEN BIRKEN, (unknown), (unknown), John P. Schlatterer, (unknown), (unknown), Robert E. Canfield	24
5	The Heterogeneity of Human Chorionic Gonadotropin (hCG). I. Characterization of Peptide Heterogeneity in 13 Individual Preparations of hCG* 1991 ·Endocrinology ·A Kardana, Margaret Elliott, (unknown), STEVEN BIRKEN, (unknown)	50
6	High Resolution High Performance Liquid Chromatography Fingerprinting of Purified Human Chorionic Gonadotropin Demonstrates that Oxidation Is a Cause of Hormone Heterogeneity* 1990 ·Endocrinology ·Susan Pollak, (unknown), Brian T. Chait, STEVEN BIRKEN	9
7	Structure of the Human Chorionic Gonadotropin β-Subunit Fragment from Pregnancy Urine* 1988 ·Endocrinology ·STEVEN BIRKEN, (unknown), M A Kolks, Laurence A. Cole, (unknown), Alexander Krichevsky, Judith L. Vaitukaitis, Robert E. Canfield	115
8	Preparation and Characterization of Antibodies to the Urinary Fragment of the Human Chorionic Gonadotropin β-Subunit* 1988 ·Endocrinology ·Alexander Krichevsky, (unknown), John P. Schlatterer, STEVEN BIRKEN, (unknown), (unknown), Shonni J. Silverberg, Joyce W. Lustbader, Robert E. Canfield	40

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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