John M. Opitz

75.8k total citations · 3 hit papers
1.7k papers, 50.4k citations indexed

About

John M. Opitz is a scholar working on Genetics, Molecular Biology and Pediatrics, Perinatology and Child Health. According to data from OpenAlex, John M. Opitz has authored 1.7k papers receiving a total of 50.4k indexed citations (citations by other indexed papers that have themselves been cited), including 914 papers in Genetics, 652 papers in Molecular Biology and 363 papers in Pediatrics, Perinatology and Child Health. Recurrent topics in John M. Opitz's work include Genomic variations and chromosomal abnormalities (282 papers), Prenatal Screening and Diagnostics (230 papers) and Genetics and Neurodevelopmental Disorders (190 papers). John M. Opitz is often cited by papers focused on Genomic variations and chromosomal abnormalities (282 papers), Prenatal Screening and Diagnostics (230 papers) and Genetics and Neurodevelopmental Disorders (190 papers). John M. Opitz collaborates with scholars based in United States, Canada and Germany. John M. Opitz's co-authors include James F. Reynolds, James F. Reynolds, Enid F. Gilbert, Judith G. Hall, Jürgen W. Spranger, David W. Smith, Enid Gilbert‐Barness, Scott F. Gilbert, Luc Lemli and David D. Weaver and has published in prestigious journals such as New England Journal of Medicine, Proceedings of the National Academy of Sciences and The Lancet.

In The Last Decade

John M. Opitz

1.7k papers receiving 47.8k 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.

A newly recognized syndromeof multiple congenital anomalies

1964 516 citations David W. Smith, Luc Lemli et al. The Journal of Pediatrics profile →
Angelman and Prader‐Willi syndromes share a common chromosome 15 deletion but differ in parental origin of the deletion

1989 432 citations John M. Opitz, James F. Reynolds et al. American Journal of Medical Genetics profile →
Subclavian artery supply disruption sequence: Hypothesis of a vascular etiology for Poland, Klippel‐Feil, and Möbius anomalies

1986 401 citations John M. Opitz, James F. Reynolds et al. American Journal of Medical Genetics profile →

Peers

Countries citing papers authored by John M. Opitz

Since Specialization

Citations

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

Fields of papers citing papers by John M. Opitz

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by John M. Opitz. 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 John M. Opitz. The network helps show where John M. Opitz may publish in the future.

Co-authorship network of co-authors of John M. Opitz

This figure shows the co-authorship network connecting the top 25 collaborators of John M. Opitz. A scholar is included among the top collaborators of John M. Opitz 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 John M. Opitz. John M. Opitz 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	Annals of morphology. Atavisms: Phylogenetic lazarus? 2013 ·American Journal of Medical Genetics Part A ·Ginevra Zanni, John M. Opitz	6
2	A novel germline PIGA mutation in Ferro‐Cerebro‐Cutaneous syndrome: A neurodegenerative X‐linked epileptic encephalopathy with systemic iron‐overload 2013 ·American Journal of Medical Genetics Part A ·Kathryn J. Swoboda, Rebecca L. Margraf, John C. Carey, Holly Zhou, Tara Newcomb, Emily Coonrod, Jacob Durtschi, (unknown), Attila Kumánovics, (unknown), Karl V. Voelkerding, John M. Opitz	51
3	The FG Syndromes (Online Mendelian Inheritance in Man 305450): Perspective in 2008 2008 ·Advances in Pediatrics ·John M. Opitz, James F. Smith, Lucia Santoro	7
4	Blastogenesis : normal and abormal : proceedings of the Second International Workshop on Fetal Genetic Pathology, held at Big Sky, Montana, October 12-16, 1991 1993 ·John M. Opitz, (unknown)	0
5	David Klein: An appreciation 1990 ·American Journal of Medical Genetics ·John M. Opitz	1
6	X-linked mental retardation 3 : proceedings of the Third International Workshop on Fragile X and X-linked Mental Retardation held in Troina, Italy, September 13-16, 1987 1988 ·John M. Opitz, Giovanni Neri	1
7	Pregnancy in women with cerebrotendinous xanthomatosis (CTX): High risk condition for fetus and newborn infant? 1988 ·American Journal of Medical Genetics ·Vladimir M. Berginer, Rivka Carmi, Gerald Salen, John M. Opitz, James F. Reynolds	6
8	The Rett syndrome 1986 ·John M. Opitz, James F. Reynolds, (unknown)	13
9	The role of therapy in rett syndrome 1986 ·American Journal of Medical Genetics ·(unknown), John M. Opitz, James F. Reynolds	26
10	De novo 21q interstitial deletion in a retarded boy with ulno‐fibular dysostosis 1985 ·American Journal of Medical Genetics ·James F. Reynolds, (unknown), Herman E. Wyandt, Thaddeus E. Kelly, John M. Opitz, (unknown), (unknown)	23
11	Johann Friedrich Meckel the Younger (1781–1833) 1984 ·American Journal of Medical Genetics ·(unknown), (unknown), John M. Opitz	7
12	The developmental field concept in clinical genetics 1982 ·The Journal of Pediatrics ·John M. Opitz	124
13	Mental retardation: An atlas of diseases with associated physical abnormalities 1974 ·The American Journal of Human Genetics ·John M. Opitz	1
14	The Poland Syndrome – Clinical and Genealogical Data, Dermatoglyphic Analysis, and Incidence 1973 ·Human Heredity ·N. Freire‐Maia, (unknown), John M. Opitz, Ademar Freire‐Maia, (unknown)	55
15	The second conference on the clinical delineation of birth defects 1972 ·The American Journal of Human Genetics ·John M. Opitz	3
16	I-cell disease: A clinical picture 1971 ·The Journal of Pediatrics ·Jules G. Leroy, Jürgen W. Spranger, Murray Feingold, John M. Opitz, Allen C. Crocker	128
17	Symposium on surgical and medical management of congenital anomalies of the eye. 1971 ·The American Journal of Human Genetics ·John M. Opitz	3
18	Craniosynostosis in the Amish 1969 ·The Journal of Pediatrics ·Harold E. Cross, John M. Opitz	14
19	FAMILIAL JUVENILE NEPHRONOPHTHISIS. AN UNRECOGNIZED RENAL DISEASE IN THE UNITED STATES. 1964 ·PubMed ·J. A. Mangos, John M. Opitz, Charles C. Lobeck, (unknown)	37
20	A newly recognized syndromeof multiple congenital anomalies breakdown → 1964 ·The Journal of Pediatrics ·David W. Smith, Luc Lemli, John M. Opitz	516

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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