Edward J. Lammer

14.9k total citations · 1 hit paper
172 papers, 9.9k citations indexed

About

Edward J. Lammer is a scholar working on Rheumatology, Pediatrics, Perinatology and Child Health and Genetics. According to data from OpenAlex, Edward J. Lammer has authored 172 papers receiving a total of 9.9k indexed citations (citations by other indexed papers that have themselves been cited), including 67 papers in Rheumatology, 61 papers in Pediatrics, Perinatology and Child Health and 59 papers in Genetics. Recurrent topics in Edward J. Lammer's work include Folate and B Vitamins Research (65 papers), Cleft Lip and Palate Research (40 papers) and Prenatal Screening and Diagnostics (22 papers). Edward J. Lammer is often cited by papers focused on Folate and B Vitamins Research (65 papers), Cleft Lip and Palate Research (40 papers) and Prenatal Screening and Diagnostics (22 papers). Edward J. Lammer collaborates with scholars based in United States, Canada and Norway. Edward J. Lammer's co-authors include Gary M. Shaw, Suzan L. Carmichael, Richard H. Finnell, Cathy R. Wasserman, M Tolarová, Paul M. Fernhoff, Cynthia J. Curry, David M. Iovannisci, Paul J. Benke and Narsingh D. Agnish and has published in prestigious journals such as New England Journal of Medicine, The Lancet and JAMA.

In The Last Decade

Edward J. Lammer

170 papers receiving 9.5k 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.

Retinoic Acid Embryopathy

1985 1.4k citations Edward J. Lammer, Paul M. Fernhoff et al. profile →

Peers

Edward J. Lammer

GENET

RHEUM

PPCH

SURGE

Paul A. Romitti United States

Lewis B. Holmes United States

David Chitayat Canada

Charlotte A. Hobbs United States

Angela E. Lin United States

Cynthia J. Curry United States

Laura E. Mitchell United States

Jan M. Wit Netherlands

Sharon E. Oberfield United States

Laurence S. Baskin United States

Paul A. Romitti United States

Edward J. Lammer

2.3k ×0.7

GENET

1.8k ×0.6

836 ×0.3

RHEUM

1.9k ×0.8

PPCH

1.6k ×0.7

SURGE

Citations per year, relative to Edward J. Lammer Edward J. Lammer (= 1×) peers Paul A. Romitti

Countries citing papers authored by Edward J. Lammer

Since Specialization

Citations

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

Fields of papers citing papers by Edward J. Lammer

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Edward J. Lammer

This figure shows the co-authorship network connecting the top 25 collaborators of Edward J. Lammer. A scholar is included among the top collaborators of Edward J. Lammer 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 Edward J. Lammer. Edward J. Lammer 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

Padula, Amy, Wei Yang, Kathleen Schultz, et al.. (2016). Gene variants as risk factors for gastroschisis. American Journal of Medical Genetics Part A. 170(11). 2788–2802. 15 indexed citations

Wilcox, Allen J., Chen Ma, Edward J. Lammer, et al.. (2014). Corticosteroid Use and Risk for Orofacial Clefts. Obstetrical & Gynecological Survey. 69(10). 573–575. 1 indexed citations

Carmichael, Suzan L., Gary M. Shaw, & Edward J. Lammer. (2012). Environmental and genetic contributors to hypospadias: A review of the epidemiologic evidence. Birth Defects Research Part A Clinical and Molecular Teratology. 94(7). 499–510. 88 indexed citations

Chevrier, Cécile, Michel Bahuau, Claire Perret, et al.. (2008). Genetic susceptibilities in the association between maternal exposure to tobacco smoke and the risk of nonsyndromic oral cleft. American Journal of Medical Genetics Part A. 146A(18). 2396–2406. 38 indexed citations

Finnell, Richard H., Gary M. Shaw, Edward J. Lammer, & Thomas H. Rosenquist. (2008). Gene–Nutrient Interactions: Importance of Folic Acid and Vitamin B₁₂ During Early Embryogenesis. Food and Nutrition Bulletin. 29(2_suppl1). S86–S98. 20 indexed citations

Schlaubitz, Silke, Svetlana A. Yatsenko, Laurie D. Smith, et al.. (2007). Ovotestes and XY sex reversal in a female with an interstitial 9q33.3‐q34.1 deletion encompassing NR5A1 and LMX1B causing features of genitopatellar syndrome. American Journal of Medical Genetics Part A. 143A(10). 1071–1081. 38 indexed citations

Iovannisci, David M., Edward J. Lammer, Lori Steiner, et al.. (2006). Association Between A Leukotriene C ₄ Synthase Gene Promoter Polymorphism and Coronary Artery Calcium in Young Women. Arteriosclerosis Thrombosis and Vascular Biology. 27(2). 394–399. 36 indexed citations

Carmichael, Suzan L., Gary M. Shaw, David M. Iovannisci, et al.. (2006). Risks of human limb deficiency anomalies associated with 29 SNPs of genes involved in homocysteine metabolism, coagulation, cell–cell interactions, inflammatory response, and blood pressure regulation. American Journal of Medical Genetics Part A. 140A(22). 2433–2440. 14 indexed citations

Zhu, Huiping, Wei Yang, Wei Lu, et al.. (2005). A known functional polymorphism (Ile120Val) of the human PCMT1 gene and risk of spina bifida. Molecular Genetics and Metabolism. 87(1). 66–70. 17 indexed citations

10.

Zhu, Huiping, Kelly A. Volcik, Jing Zhang, et al.. (2003). Promoter haplotype combinations for the human PDGFRA gene are associated with risk of neural tube defects. Molecular Genetics and Metabolism. 81(2). 127–132. 28 indexed citations

11.

Iovannisci, David M., et al.. (2002). The READIT™ Assay as a Method for Genotyping NAT1*10 Polymorphisms. Genetic Testing. 6(4). 245–253. 1 indexed citations

12.

Finnell, Richard H., Gary M. Shaw, Edward J. Lammer, & Kelly A. Volcik. (2002). Does Prenatal Screening for 5,10-Methylenetetrahydrofolate Reductase ( MTHFR ) Mutations in High-Risk Neural Tube Defect Pregnancies Make Sense?. Genetic Testing. 6(1). 47–52. 15 indexed citations

13.

Malcoe, Lorraine Halinka, Gary M. Shaw, Edward J. Lammer, & Allen Herman. (1999). The effect of congenital anomalies on mortality risk in white and black infants.. American Journal of Public Health. 89(6). 887–892. 37 indexed citations

14.

Trembath, Dimitri G., Gary M. Shaw, Karen Todoroff, et al.. (1999). Analysis of select folate pathway genes,PAX3, and humanT in a midwestern neural tube defect population. Teratology. 59(5). 331–341. 76 indexed citations

15.

Shaw, Gary M., Rima Rozen, Richard H. Finnell, Karen Todoroff, & Edward J. Lammer. (1998). Infant C677T mutation in MTHFR, maternal periconceptional vitamin use, and cleft lip. American Journal of Medical Genetics. 80(3). 196–198. 93 indexed citations

16.

Khoury, Muin J., Gary M. Shaw, Cynthia A. Moore, Edward J. Lammer, & Joseph Mulinare. (1996). Does periconceptional multivitamin use reduce the risk of neural tube defects associated with other birth defects? Data from two population-based case-control studies. American Journal of Medical Genetics. 61(1). 30–36. 28 indexed citations

17.

Croen, Lisa, Gary M. Shaw, & Edward J. Lammer. (1996). Holoprosencephaly: Epidemiologic and clinical characteristics of a California population. American Journal of Medical Genetics. 64(3). 465–472. 135 indexed citations

18.

Finnell, Richard H., Kimberly A. Greer, & Edward J. Lammer. (1994). Folate receptor gene variants and neural tube defect occurrence. The American Journal of Human Genetics. 55. 1 indexed citations

19.

Lammer, Edward J.. (1991). Maternal-fetal toxicology: A clinician's guide. The American Journal of Human Genetics. 49(5). 1103. 2 indexed citations

20.

Fernhoff, Paul M. & Edward J. Lammer. (1984). Craniofacial features of isotretinoin embryopathy. The Journal of Pediatrics. 105(4). 595–597. 46 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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