J. Witmyer

2.1k total citations · 1 hit paper
19 papers, 1.6k citations indexed

About

J. Witmyer is a scholar working on Public Health, Environmental and Occupational Health, Pediatrics, Perinatology and Child Health and Reproductive Medicine. According to data from OpenAlex, J. Witmyer has authored 19 papers receiving a total of 1.6k indexed citations (citations by other indexed papers that have themselves been cited), including 14 papers in Public Health, Environmental and Occupational Health, 10 papers in Pediatrics, Perinatology and Child Health and 10 papers in Reproductive Medicine. Recurrent topics in J. Witmyer's work include Reproductive Biology and Fertility (12 papers), Assisted Reproductive Technology and Twin Pregnancy (8 papers) and Ovarian function and disorders (5 papers). J. Witmyer is often cited by papers focused on Reproductive Biology and Fertility (12 papers), Assisted Reproductive Technology and Twin Pregnancy (8 papers) and Ovarian function and disorders (5 papers). J. Witmyer collaborates with scholars based in United States. J. Witmyer's co-authors include Howard W. Jones, Lucinda L. Veeck, Shunping Wang, Jacob Zucker, Chad A. Cowan, Cynthia C. Morton, Douglas A. Melton, Doug Powers, Jill A. McMahon and Andrew P. McMahon and has published in prestigious journals such as New England Journal of Medicine, Blood and Human Reproduction.

In The Last Decade

J. Witmyer

18 papers receiving 1.5k 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.

Derivation of Embryonic Stem-Cell Lines from Human Blastocysts

2004 733 citations Chad A. Cowan, Irina Klimanskaya et al. New England Journal of Medicine profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
J. Witmyer United States	11	748	714	641	341	181	19	1.6k
Ileana Mateizel Belgium	19	770 1.0×	479 0.7×	446 0.7×	218 0.6×	215 1.2×	34	1.3k
Mark V. Sauer United States	17	990 1.3×	360 0.5×	245 0.4×	147 0.4×	117 0.6×	28	1.3k
Mieke Geens Belgium	23	988 1.3×	412 0.6×	391 0.6×	49 0.1×	216 1.2×	42	1.4k
Kwang‐Yul Cha South Korea	20	1.2k 1.5×	497 0.7×	420 0.7×	75 0.2×	111 0.6×	29	1.7k
Mitsutoshi Yamada Japan	14	529 0.7×	319 0.4×	174 0.3×	144 0.4×	78 0.4×	62	948
Nicolas H. Zech Austria	15	276 0.4×	540 0.8×	481 0.8×	237 0.7×	58 0.3×	36	912
Verena Nordhoff Germany	19	520 0.7×	517 0.7×	573 0.9×	183 0.5×	63 0.3×	37	1.1k
Seido Takae Japan	13	522 0.7×	1.2k 1.7×	922 1.4×	121 0.4×	89 0.5×	46	1.5k
Joel Marh United States	11	730 1.0×	400 0.6×	228 0.4×	90 0.3×	80 0.4×	14	988
Begoña Arán Spain	13	412 0.6×	257 0.4×	223 0.3×	176 0.5×	46 0.3×	36	698

Countries citing papers authored by J. Witmyer

Since Specialization

Citations

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

Fields of papers citing papers by J. Witmyer

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of J. Witmyer

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

All Works

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19 of 19 papers shown

Young, Heather A., Michael S. Irwig, David Frankfurter, et al.. (2020). The Association Between Race, Obesity, and Sperm Quality Among Men Attending a University Physician Practice in Washington, DC. American Journal of Men s Health. 14(3). 1819203873–1819203873. 11 indexed citations

Plowden, Torie C., C.M. Owen, M.W. Healy, et al.. (2015). Fertility Preservation for Women with Sickle Cell Disease (SCD). Blood. 126(23). 3408–3408. 1 indexed citations

Vitek, Wendy, J. Witmyer, Sandra Ann Carson, & Jared C. Robins. (2013). Estrogen-suppressed in vitro maturation: a novel approach to in vitro maturation. Fertility and Sterility. 99(7). 1886–1890. 15 indexed citations

Brayboy, Lynae M., Nathalie Oulhen, J. Witmyer, et al.. (2013). Multidrug-resistant transport activity protects oocytes from chemotherapeutic agents and changes during oocyte maturation. Fertility and Sterility. 100(5). 1428–1435.e7. 23 indexed citations

Eid, Sherrine, Mark Perloe, Scott E. Smith, et al.. (2012). Use of hyaluronan in the selection of sperm for intracytoplasmic sperm injection (ICSI): significant improvement in clinical outcomes—multicenter, double-blinded and randomized controlled trial. Human Reproduction. 28(2). 306–314. 95 indexed citations

Eid, Sherrine, et al.. (2011). Prospective, multi-center, double-blind, randomized clinical trial evaluating the use of hyaluronan bound sperm (HBS) in ICSI: statistically significant improvement in clinical outcomes. Fertility and Sterility. 96(3). S58–S58. 5 indexed citations

Vitek, Wendy, et al.. (2011). In-vitro maturation of oocytes from ovarian tissue expands fertility preservation options. Fertility and Sterility. 96(3). S49–S49. 2 indexed citations

Eid, Sherrine, et al.. (2011). Increased clinical pregnancy rates (CPR) and statistically significant decrease in loss rates using hyaluronan in sperm selection: prospective, multi-center, double-blind, randomized clinical trial. Fertility and Sterility. 96(3). S179–S179. 5 indexed citations

Robins, Jared C., et al.. (2008). Can ICSI be used to treat unexplained infertility?. Fertility and Sterility. 90. S79–S79.

10.

Cowan, Chad A., Irina Klimanskaya, Jill A. McMahon, et al.. (2004). Derivation of Embryonic Stem-Cell Lines from Human Blastocysts. New England Journal of Medicine. 350(13). 1353–1356. 733 indexed citations breakdown →

11.

Witmyer, J., Shunping Wang, Michael M. Alper, & Robert D. Powers. (2003). HIP embryos: effective criteria for high pregnancy rates with low high order multiples. Fertility and Sterility. 80. 139–140. 5 indexed citations

12.

Witmyer, J., et al.. (2002). Embryo developmental analysis can be used to decrease high order multiple pregnancies through reduction in the number of embryos selected for transfer. Fertility and Sterility. 78. S8–S9. 1 indexed citations

13.

Wortham, J.W. Edward, et al.. (1985). Evaluation of human fetal cord sera, Ham’s F-10 medium, and in vitro culture materials with a mouse in vivo fertilization system. Fertility and Sterility. 44(4). 521–525. 26 indexed citations

14.

Shirley, Barbara, et al.. (1985). Effects of human serum and plasma on development of mouse embryos in culture media. Fertility and Sterility. 43(1). 129–134. 45 indexed citations

15.

Jones, Howard W., Georgeanna Seegar Jones, Mason C. Andrews, et al.. (1983). The program for in vitro fertilization at Norfolk. Fertility and Sterility. 39(4). 86–93. 1 indexed citations

16.

Veeck, Lucinda L., J.W. Edward Wortham, J. Witmyer, et al.. (1983). Maturation and fertilization of morphologically immature human oocytes in a program of in vitro fertilization. Fertility and Sterility. 39(5). 594–602. 294 indexed citations

17.

Wortham, J.W. Edward, Lucinda L. Veeck, J. Witmyer, Bruce A. Sandow, & Howard W. Jones. (1983). Vital initiation of pregnancy (VIP) using human menopausal gonadotropin and human chorionic gonadotropin ovulation induction: Phase II—1981. Fertility and Sterility. 40(2). 170–177. 22 indexed citations

18.

Wortham, J.W. Edward, Lucinda L. Veeck, J. Witmyer, & Howard W. Jones. (1983). Vital initiation of pregnancy (VIP) using human menopausal gonadotropin and human chorionic gonadotropin ovulation induction: Phase I—1981. Fertility and Sterility. 39(6). 785–792. 38 indexed citations

19.

Jones, Howard W., Georgeanna Seegar Jones, Mason C. Andrews, et al.. (1982). The program for in vitro fertilization at Norfolk. Fertility and Sterility. 38(1). 14–21. 259 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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