C. Richard Parker

6.4k total citations · 1 hit paper
149 papers, 5.0k citations indexed

About

C. Richard Parker is a scholar working on Endocrinology, Diabetes and Metabolism, Pediatrics, Perinatology and Child Health and Molecular Biology. According to data from OpenAlex, C. Richard Parker has authored 149 papers receiving a total of 5.0k indexed citations (citations by other indexed papers that have themselves been cited), including 75 papers in Endocrinology, Diabetes and Metabolism, 41 papers in Pediatrics, Perinatology and Child Health and 29 papers in Molecular Biology. Recurrent topics in C. Richard Parker's work include Birth, Development, and Health (38 papers), Hormonal and reproductive studies (35 papers) and Hormonal Regulation and Hypertension (30 papers). C. Richard Parker is often cited by papers focused on Birth, Development, and Health (38 papers), Hormonal and reproductive studies (35 papers) and Hormonal Regulation and Hypertension (30 papers). C. Richard Parker collaborates with scholars based in United States, United Kingdom and France. C. Richard Parker's co-authors include John C. Porter, Bruce R. Carr, Paul C. MacDonald, V.B. Mahesh, William B. Neaves, Evan R. Simpson, William E. Rainey, Charles S. Petty, Charles R. Baxter and James D. Madden and has published in prestigious journals such as Science, Journal of Clinical Investigation and The Journal of Clinical Endocrinology & Metabolism.

In The Last Decade

C. Richard Parker

148 papers receiving 4.8k 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.

Leydig Cell Numbers, Daily Sperm Production, and Serum Gonadotropin Levels in Aging Men*

1984 367 citations John C. Porter, C. Richard Parker et al. The Journal of Clinical Endocrinology & Metabolism profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
C. Richard Parker United States	38	2.4k	1.0k	915	911	763	149	5.0k
Inese Z. Beitins United States	39	2.5k 1.0×	831 0.8×	543 0.6×	1.7k 1.9×	752 1.0×	112	5.6k
Andrew N. Margioris Greece	48	1.3k 0.5×	1.8k 1.8×	567 0.6×	779 0.9×	505 0.7×	145	7.5k
F. Bidlingmaier Germany	37	1.4k 0.6×	1.2k 1.2×	528 0.6×	512 0.6×	634 0.8×	139	4.0k
Gerald J. Pepe United States	36	1.1k 0.5×	989 1.0×	1.9k 2.1×	897 1.0×	1.2k 1.5×	189	5.4k
Wolfgang G. Sippell Germany	40	2.5k 1.0×	2.5k 2.4×	787 0.9×	1.1k 1.2×	1.2k 1.5×	147	5.1k
Dan Tulchinsky United States	37	1.1k 0.5×	493 0.5×	755 0.8×	902 1.0×	905 1.2×	96	4.2k
Rolf C. Gaillard Switzerland	46	2.9k 1.2×	1.0k 1.0×	388 0.4×	926 1.0×	460 0.6×	171	7.1k
A. Avinoam Kowarski United States	38	3.0k 1.2×	1.4k 1.4×	732 0.8×	324 0.4×	698 0.9×	113	4.8k
William S. Evans United States	46	4.3k 1.8×	1.0k 1.0×	578 0.6×	2.7k 2.9×	723 0.9×	180	7.8k
J. D. Veldhuis United States	36	3.0k 1.3×	728 0.7×	459 0.5×	1.2k 1.3×	622 0.8×	82	5.2k

Countries citing papers authored by C. Richard Parker

Since Specialization

Citations

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

Fields of papers citing papers by C. Richard Parker

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by C. Richard Parker. 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 C. Richard Parker. The network helps show where C. Richard Parker may publish in the future.

Co-authorship network of co-authors of C. Richard Parker

This figure shows the co-authorship network connecting the top 25 collaborators of C. Richard Parker. A scholar is included among the top collaborators of C. Richard Parker 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 C. Richard Parker. C. Richard Parker 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

Rehman, Khurram, Rosa Sirianni, C. Richard Parker, William E. Rainey, & Bruce R. Carr. (2007). The Regulation of Adrenocorticotrophic Hormone Receptor by Corticotropin-Releasing Hormone in Human Fetal Adrenal Definitive/Transitional Zone Cells. Reproductive Sciences. 14(6). 578–587. 26 indexed citations

Sirianni, Rosa, Khurram Rehman, Bruce R. Carr, C. Richard Parker, & William E. Rainey. (2005). Corticotropin-Releasing Hormone Directly Stimulates Cortisol and the Cortisol Biosynthetic Pathway in Human Fetal Adrenal Cells. The Journal of Clinical Endocrinology & Metabolism. 90(1). 279–285. 77 indexed citations

Jian, Ming, et al.. (2004). Colocalization of P450c17 and Cytochrome b5 in Androgen-Synthesizing Tissues of the Human1. Biology of Reproduction. 71(1). 83–88. 80 indexed citations

Parker, C. Richard. (1999). Adrenal function in aging. Current Opinion in Endocrinology & Diabetes. 6(3). 210–210. 4 indexed citations

Parker, C. Richard. (1997). Aging Alters Zonation in the Adrenal Cortex of Men. The Journal of Clinical Endocrinology & Metabolism. 82(11). 3898–3901. 23 indexed citations

Parker, C. Richard, M. Atkinson, J. Owen, & William W. Andrews. (1996). Dynamics of the fetal adrenal, cholesterol, and apolipoprotein B responses to antenatal betamethasone therapy. American Journal of Obstetrics and Gynecology. 174(2). 562–565. 44 indexed citations

Azziz, Ricardo, Howard A. Zacur, C. Richard Parker, Edwin L. Bradley, & Larry R. Boots. (1991). Effect of obesity on the response to acute adrenocorticotropin stimulation in eumenorrheic women. Fertility and Sterility. 56(3). 427–433. 23 indexed citations

Azziz, Ricardo, et al.. (1990). Acute Adrenocorticotropin-(1–24) (ACTH) Adrenal Stimulation in Eumenorrheic Women: Reproducibility and Effect of ACTH Dose, Subject Weight, and Sampling Time*. The Journal of Clinical Endocrinology & Metabolism. 70(5). 1273–1279. 48 indexed citations

Parker, C. Richard, Paul C. MacDonald, David S. Guzick, et al.. (1989). Prolactin levels in umbilical cord blood of human infants: Relation to gestational age, maternal complications, and neonatal lung function. American Journal of Obstetrics and Gynecology. 161(3). 795–802. 20 indexed citations

10.

Parker, C. Richard, Paul C. MacDonald, Bruce R. Carr, & John C. Morrison. (1987). The Effects of Dexamethasone and Anencephaly on Newborn Serum Levels of Apolipoprotein A-1*. The Journal of Clinical Endocrinology & Metabolism. 65(6). 1098–1101. 9 indexed citations

11.

Parker, C. Richard, Gary D.V. Hankins, David S. Guzick, Charles R. Rosenfeld, & Paul C. MacDonald. (1987). Ontogeny of Unconjugated Estriol in Fetal Blood and the Relation of Estriol Levels at Birth to the Development of Respiratory Distress Syndrome. Pediatric Research. 21(4). 386–390. 8 indexed citations

12.

Aiman, James, J. Peter Forney, & C. Richard Parker. (1986). Secretion of Androgens and Estrogens by Normal and Neoplastic Ovaries in Postmenopausal Women. Obstetrical & Gynecological Survey. 41(11). 724–725. 1 indexed citations

13.

Parker, C. Richard, Gary D.V. Hankins, Bruce R. Carr, et al.. (1984). The effect of hypertension in pregnant women on fetal adrenal function and fetal plasma lipoprotein-cholesterol metabolism. American Journal of Obstetrics and Gynecology. 150(3). 263–269. 17 indexed citations

14.

Parker, C. Richard, et al.. (1983). Ontogeny of human fetal plasma progesterone, deoxycorticosterone, and deoxycorticosterone sulfate. American Journal of Obstetrics and Gynecology. 147(8). 955–959. 5 indexed citations

15.

Parker, C. Richard, Bruce R. Carr, Craig A. Winkel, et al.. (1983). Hypercholesterolemia due to Elevated Low Density Lipoprotein-Cholesterol in Newborns with Anencephaly and Adrenal Atrophy*. The Journal of Clinical Endocrinology & Metabolism. 57(1). 37–43. 40 indexed citations

16.

Parker, C. Richard, Ayalla Barnea, Fred J.H. Tilders, & John C. Porter. (1981). Characterization of immunoreactive α-melanocyte stimulating hormone (α-MSHi) in human brain tissue. Brain Research Bulletin. 6(3). 275–280. 13 indexed citations

17.

Matsuura, Sumio, Raymond P. Naden, N. F. Gant, C. Richard Parker, & Charles R. Rosenfeld. (1981). Effect of volume expansion on pressor response to angiotensin II in pregnant ewes. American Journal of Physiology-Heart and Circulatory Physiology. 240(6). H908–H913. 20 indexed citations

18.

Herbert, Damon C., C. Richard Parker, & Andrzej Bartke. (1978). Serum Estradiol, Testosterone and Dihydrotestosterone in Male Monkeys Treated with Testosterone Propionate. Endocrine Research Communications. 5(3). 249–257. 4 indexed citations

19.

Parker, C. Richard, et al.. (1975). Peripheral, Ovarian, and Adrenal Vein Steroids in Hirsute Women: Acute Effects of Human Chorionic Gonadotropin and Adrenocorticotrophic Hormone. Fertility and Sterility. 26(9). 877–888. 30 indexed citations

20.

Parker, C. Richard, James O. Ellegood, & V.B. Mahesh. (1975). Comparative evaluation of antisera for 5α-dihydrotestosterone radioimmunoassay. Journal of Steroid Biochemistry. 6(1). 9–13. 9 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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