Ralph Lachman

4.0k total citations · 3 hit papers
68 papers, 2.8k citations indexed

About

Ralph Lachman is a scholar working on Genetics, Surgery and Molecular Biology. According to data from OpenAlex, Ralph Lachman has authored 68 papers receiving a total of 2.8k indexed citations (citations by other indexed papers that have themselves been cited), including 31 papers in Genetics, 19 papers in Surgery and 13 papers in Molecular Biology. Recurrent topics in Ralph Lachman's work include Connective tissue disorders research (27 papers), Bone health and treatments (10 papers) and Neurogenetic and Muscular Disorders Research (7 papers). Ralph Lachman is often cited by papers focused on Connective tissue disorders research (27 papers), Bone health and treatments (10 papers) and Neurogenetic and Muscular Disorders Research (7 papers). Ralph Lachman collaborates with scholars based in United States, Germany and Israel. Ralph Lachman's co-authors include David L. Rimoin, David Sillence, Geert Mortier, Valérie Cormier‐Daire, Matthew L. Warman, Sheila Unger, Gen Nishimura, Andrea Superti‐Furga, Christine M Hall and Ravi Savarirayan and has published in prestigious journals such as New England Journal of Medicine, Radiology and The Journal of Pediatrics.

In The Last Decade

Ralph Lachman

68 papers receiving 2.7k 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.

Enzyme-Replacement Therapy in Mucopolysaccharidosis I

2001 525 citations Emil Kakkis, Joseph Muenzer et al. New England Journal of Medicine profile →
Nosology and classification of genetic skeletal disorders: 2010 revision

2011 450 citations Matthew L. Warman, Valérie Cormier‐Daire et al. American Journal of Medical Genetics Part A profile →
Nosology and classification of genetic skeletal disorders: 2015 revision

2015 367 citations Luisa Bonafé, Valérie Cormier‐Daire et al. American Journal of Medical Genetics Part A profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Ralph Lachman United States	26	1.3k	840	717	595	442	68	2.8k
Leonard O. Langer United States	31	1.5k 1.1×	879 1.0×	250 0.3×	484 0.8×	210 0.5×	77	2.7k
Marianne Rohrbach Switzerland	26	1.0k 0.8×	631 0.8×	897 1.3×	638 1.1×	381 0.9×	81	2.4k
Cesare Danesino Italy	40	1.1k 0.9×	874 1.0×	1.2k 1.6×	503 0.8×	320 0.7×	176	4.8k
Michael B. Bober United States	27	834 0.6×	761 0.9×	291 0.4×	455 0.8×	241 0.5×	99	2.0k
H. ‐R. Wiedemann Germany	24	923 0.7×	856 1.0×	306 0.4×	326 0.5×	112 0.3×	137	2.2k
Débora Romeo Bertola Brazil	31	1.3k 1.0×	2.5k 3.0×	289 0.4×	247 0.4×	154 0.3×	165	3.6k
Marina Colombi Italy	31	1.8k 1.4×	1.1k 1.3×	125 0.2×	489 0.8×	173 0.4×	181	3.7k
A Giedion Switzerland	26	850 0.7×	861 1.0×	127 0.2×	479 0.8×	159 0.4×	64	2.1k
Gary S. Gottesman United States	20	394 0.3×	542 0.6×	369 0.5×	451 0.8×	224 0.5×	55	1.6k
Renata Boldrini Italy	35	227 0.2×	1.5k 1.8×	254 0.4×	452 0.8×	473 1.1×	175	3.8k

Countries citing papers authored by Ralph Lachman

Since Specialization

Citations

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

Fields of papers citing papers by Ralph Lachman

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Ralph Lachman

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

All Works

Sort: Min cites: Since: Top N: Style:

20 of 20 papers shown

Bonafé, Luisa, Valérie Cormier‐Daire, Christine M Hall, et al.. (2015). Nosology and classification of genetic skeletal disorders: 2015 revision. American Journal of Medical Genetics Part A. 167(12). 2869–2892. 367 indexed citations breakdown →

Baratela, Wagner Antonio da Rosa, Michael B. Bober, George E. Tiller, et al.. (2012). A newly recognized syndrome with characteristic facial features, skeletal dysplasia, and developmental delay. American Journal of Medical Genetics Part A. 158A(8). 1815–1822. 10 indexed citations

Kariminejad, Ariana, et al.. (2012). An/micr-Ophthalmia, Cleft Lip/Palate, and Short Limbs: A New Syndrome Simulating a Short Rib Syndrome. Fetal and Pediatric Pathology. 31(5). 295–299. 1 indexed citations

Warman, Matthew L., Valérie Cormier‐Daire, Christine M Hall, et al.. (2011). Nosology and classification of genetic skeletal disorders: 2010 revision. American Journal of Medical Genetics Part A. 155(5). 943–968. 450 indexed citations breakdown →

Lachman, Ralph, et al.. (2010). Radiologic and neuroradiologic findings in the mucopolysaccharidoses. Journal of Pediatric Rehabilitation Medicine. 3(2). 109–118. 53 indexed citations

Kakkis, Emil, Joseph Muenzer, George E. Tiller, et al.. (2001). Enzyme-Replacement Therapy in Mucopolysaccharidosis I. New England Journal of Medicine. 344(3). 182–188. 525 indexed citations breakdown →

Graham, John M., Stephen R. Braddock, Geert Mortier, et al.. (1998). Syndrome of coronal craniosynostosis with brachydactyly and carpal/tarsal coalition due to Pro250Arg mutation in FGFR3 gene. American Journal of Medical Genetics. 77(4). 322–329. 46 indexed citations

Kohn, Gertrude, G. Malinger, R. Tepper, et al.. (1995). Bilateral ulna hypoplasia, club feet, and mental retardation: A new mesomelic syndrome. American Journal of Medical Genetics. 56(2). 132–135. 2 indexed citations

Sharony, Reuven, Robert M. Sinow, Morris J. Asch, & Ralph Lachman. (1995). Prenatal ultrasound diagnosis of gastric outlet obstruction due to a pyloric web. Prenatal Diagnosis. 15(1). 56–59. 4 indexed citations

10.

Berdon, W. E., et al.. (1995). Severe mid-cervical kyphosis with cord compression in larsen's syndrome and idastrophic dysplasia: Unrelated syndromes with similar radiologic findings and neurosurgical implications. Pediatric Radiology. 25(2). 136–139. 24 indexed citations

11.

Shohat, Mordechai, Ralph Lachman, Helen E. Gruber, et al.. (1994). Desbuquois syndrome: Clinical, radiographic, and morphologic characterization. American Journal of Medical Genetics. 52(1). 9–18. 30 indexed citations

12.

Langer, Leonard O., et al.. (1993). Spondylo‐meta‐epiphyseal dysplasia (SMED), short limb‐hand type: A congenital familial skeletal dysplasia with distinctive features and histopathology. American Journal of Medical Genetics. 45(3). 320–326. 33 indexed citations

13.

Shohat, Mordechai, David L. Rimoin, Helen E. Gruber, & Ralph Lachman. (1993). New epiphyseal stippling syndrome with osteoclastic hyperplasia. American Journal of Medical Genetics. 45(5). 558–561. 7 indexed citations

14.

Lachman, Ralph, et al.. (1992). Open quiz solution: Case report 744. Skeletal Radiology. 21(8). 534–7. 3 indexed citations

15.

Lachman, Ralph, et al.. (1990). Intravenous Erythromycin for Postpyloric Intubation. Journal of Pediatric Gastroenterology and Nutrition. 11(1). 45–47. 3 indexed citations

16.

Shohat, M, et al.. (1990). Geleophysic dysplasia: A storage disorder affecting the skin, bone, liver, heart, and trachea. The Journal of Pediatrics. 117(2). 227–232. 22 indexed citations

17.

Lachman, Ralph, et al.. (1989). Odontoid hypoplasia with vertebral cervical subluxation and ventriculomegaly in metatropic dysplasia. The Journal of Pediatrics. 114(2). 239–243. 26 indexed citations

18.

Shohat, M, Ralph Lachman, Helen E. Gruber, & David L. Rimoin. (1989). Brachyolmia: Radiographic and genetic evidence of heterogeneity. American Journal of Medical Genetics. 33(2). 209–219. 47 indexed citations

19.

Lachman, Ralph, et al.. (1988). Achondrogenesis type I: Delineation of further heterogeneity and identification of two distinct subgroups. The Journal of Pediatrics. 112(1). 23–31. 41 indexed citations

20.

Lachman, Ralph, et al.. (1979). [The spondylometaphyseal dysplasias. Clinical, radiologic and pathologic correlation].. PubMed. 22(2-3). 125–35. 4 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.

Explore authors with similar magnitude of impact