Roger A. Pierson

11.7k total citations · 2 hit papers
223 papers, 8.7k citations indexed

About

Roger A. Pierson is a scholar working on Agronomy and Crop Science, Public Health, Environmental and Occupational Health and Reproductive Medicine. According to data from OpenAlex, Roger A. Pierson has authored 223 papers receiving a total of 8.7k indexed citations (citations by other indexed papers that have themselves been cited), including 101 papers in Agronomy and Crop Science, 90 papers in Public Health, Environmental and Occupational Health and 86 papers in Reproductive Medicine. Recurrent topics in Roger A. Pierson's work include Reproductive Physiology in Livestock (100 papers), Reproductive Biology and Fertility (78 papers) and Genetic and phenotypic traits in livestock (73 papers). Roger A. Pierson is often cited by papers focused on Reproductive Physiology in Livestock (100 papers), Reproductive Biology and Fertility (78 papers) and Genetic and phenotypic traits in livestock (73 papers). Roger A. Pierson collaborates with scholars based in Canada, United States and Argentina. Roger A. Pierson's co-authors include O.J. Ginther, Gregory P. Adams, Angela Baerwald, Marla E. Lujan, Donna R. Chizen, R.J. Mapletoft, G. A. Bó, Olufemi A. Olatunbosun, Jaswant Singh and John P. Kastelic and has published in prestigious journals such as New England Journal of Medicine, Proceedings of the National Academy of Sciences and SHILAP Revista de lepidopterología.

In The Last Decade

Roger A. Pierson

215 papers receiving 8.1k 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.

Ovarian antral folliculogenesis during the human menstrual cycle: a review

2011 327 citations Angela Baerwald, Gregory P. Adams et al. profile →
Updated ultrasound criteria for polycystic ovary syndrome: reliable thresholds for elevated follicle population and ovarian volume

2013 327 citations Marla E. Lujan, Brittany Y Jarrett et al. profile →

Peers

Countries citing papers authored by Roger A. Pierson

Since Specialization

Citations

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

Fields of papers citing papers by Roger A. Pierson

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Roger A. Pierson. 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 Roger A. Pierson. The network helps show where Roger A. Pierson may publish in the future.

Co-authorship network of co-authors of Roger A. Pierson

This figure shows the co-authorship network connecting the top 25 collaborators of Roger A. Pierson. A scholar is included among the top collaborators of Roger A. Pierson 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 Roger A. Pierson. Roger A. Pierson 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

#	Work	Indexed citations
1	Causes of embryo implantation failure: A systematic review and metaanalysis of procedures to increase embryo implantation potential 2025 ·Frontiers in Endocrinology ·(unknown), Romualdo Sciorio, Alessandro Conforti, Roberto De Luca, Carlo Bulletti, Antonio Palagiano, (unknown), Giulia Scaravelli, Roger A. Pierson	1
2	A randomized double-blind controlled proof-of-concept study of alanyl-glutamine for reduction of post-myomectomy adhesions 2023 ·European Journal of Obstetrics & Gynecology and Reproductive Biology ·Donna R. Chizen, (unknown), (unknown), Hyun J. Lim, Togas Tulandi, Antonio Gargiulo, Rudy Leon De Wilde, (unknown), Roger A. Pierson	1
3	Impact of right–left differences in ovarian morphology on the ultrasound diagnosis of polycystic ovary syndrome 2019 ·Fertility and Sterility ·Brittany Y Jarrett, Heidi Vanden Brink, Eric D. Brooks, Kathleen M. Hoeger, Steven D. Spandorfer, Roger A. Pierson, Donna R. Chizen, Marla E. Lujan	13
4	The associations of exposure to combined hormonal contraceptive use on bone mineral content and areal bone mineral density accrual from adolescence to young adulthood: A longitudinal study 2015 ·Bone Reports ·Stefan A. Jackowski, Adam Baxter‐Jones, (unknown), Roger A. Pierson, Carol D. Rodgers	14
5	The Animalcules of Antoni Van Leeuwenhoek 2013 ·Journal of Obstetrics and Gynaecology Canada ·(unknown), Roger A. Pierson	2
6	The nerve of ovulation-inducing factor in semen 2012 ·Proceedings of the National Academy of Sciences ·Marcelo Ratto, (unknown), Ximena Valderrama, K.E. Van Straaten, Louis T. J. Delbaere, Roger A. Pierson, Gregory P. Adams	124
7	Endometrial quality at the end of controlled ovarian stimulation predicts ongoing pregnancy rate after transfer of a single expanded or hatching/hatched blastocyst on day 5 in a fresh cycle 2012 ·Fertility and Sterility ·Roger A. Pierson, M Mrázek, (unknown), Bjarke M. Klein, Joan‐Carles Arce	1
8	Grid Analysis Improves Reliability in Follicle Counts Made by Ultrasonography in Women With Polycystic Ovary Syndrome 2010 ·Ultrasound in Medicine & Biology ·Marla E. Lujan, Eric D. Brooks, Anna Kepley, Donna R. Chizen, Roger A. Pierson, (unknown)	34
9	Level set segmentation of bovine corpora lutea in ex situ ovarian ultrasound images 2008 ·Reproductive Biology and Endocrinology ·(unknown), Roger A. Pierson, Jaswant Singh, Gregory P. Adams, Mark Eramian	4
10	Betontechnologische Probleme im Tunnelbau - Chancen von SVB? 2005 ·Roger A. Pierson	1
11	Research papers in fertility and reproductive medicine : proceedings of the 18th World Congress on Fertility and Sterility (IFFS 2004) held in Montréal, Canada, between 23 and 28 May 2004 2004 ·Elsevier eBooks ·Salim Daya, Roger A. Pierson, Joanne Gunby	0
12	Characterization of Ovarian Follicular Wave Dynamics in Women1 2003 ·Biology of Reproduction ·Angela Baerwald, Gregory P. Adams, Roger A. Pierson	267
13	A Contraceptive Patch is Significantly More Effective than Oral Contraceptives (OCs) in Suppressing Follicular Development 2000 ·Fertility and Sterility ·Roger A. Pierson, D.F. Archer, (unknown), (unknown), Margo R. Fluker, Claude Bouchard	3
14	Three-dimensional magnetic resonance imaging for the study of ovarian function in a bovine in vitro model 2000 ·Reproduction ·(unknown), Gregory P. Adams, Roger A. Pierson	1
15	Magnetic resonance image attributes of the bovine ovarian follicle antrum during development and regression 2000 ·Reproduction ·Joan F. Hilton, Gordon E. Sarty, Gregory P. Adams, Roger A. Pierson	5
16	Three-dimensional surface reconstruction using optical flow for medical imaging 1997 ·IEEE Transactions on Medical Imaging ·(unknown), Yee‐Hong Yang, Roger A. Pierson	21
17	Multiresolution texture segmentation with application to diagnostic ultrasound images 1993 ·IEEE Transactions on Medical Imaging ·(unknown), Yee‐Hong Yang, Roger A. Pierson	59
18	Effects of Fat Supplementation and Immature Alfalfa to Concentrate Ratio on Plasma Progesterone, Energy Balance, and Reproductive Traits of Dairy Cattle 1990 ·Journal of Dairy Science ·D.J. Carroll, (unknown), R.R. Grummer, D.K. Combs, Roger A. Pierson, Elizabeth R. Hauser	46
19	Status and Performance of the Zmob Parallel Processing System. 1985 ·Mark Weiser, (unknown), (unknown), Roger A. Pierson, (unknown), (unknown)	6
20	Effects of estrous cycle and season on ultrasonic uterine anatomy in mares 1985 ·Theriogenology ·(unknown), Roger A. Pierson, (unknown), O.J. Ginther	49

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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