Roger S. Challop

1.0k total citations · 1 hit paper
6 papers, 826 citations indexed

About

Roger S. Challop is a scholar working on Health, Toxicology and Mutagenesis, Molecular Biology and Clinical Psychology. According to data from OpenAlex, Roger S. Challop has authored 6 papers receiving a total of 826 indexed citations (citations by other indexed papers that have themselves been cited), including 4 papers in Health, Toxicology and Mutagenesis, 2 papers in Molecular Biology and 1 paper in Clinical Psychology. Recurrent topics in Roger S. Challop's work include Heavy Metal Exposure and Toxicity (4 papers), Porphyrin Metabolism and Disorders (2 papers) and Methemoglobinemia and Tumor Lysis Syndrome (1 paper). Roger S. Challop is often cited by papers focused on Heavy Metal Exposure and Toxicity (4 papers), Porphyrin Metabolism and Disorders (2 papers) and Methemoglobinemia and Tumor Lysis Syndrome (1 paper). Roger S. Challop collaborates with scholars based in United States. Roger S. Challop's co-authors include Sergio Piomelli, Jane S. Lin-Fu, Betty Robinson, James Sayre, J. Routt Reigart, Patricia H. Field, Bernard Davidow, L Chadzynski, Vernon N. Houk and Herbert L. Needleman and has published in prestigious journals such as New England Journal of Medicine, American Journal of Public Health and The Journal of Pediatrics.

In The Last Decade

Roger S. Challop

5 papers receiving 752 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.

Preventing lead poisoning in young children

1978 792 citations Herbert L. Needleman, Vernon N. Houk et al. The Journal of Pediatrics profile →

Peers

Roger S. Challop

HTM

POLLU

ND

SPS

SH

Patricia H. Field United States

L Chadzynski United States

Nahman H. Greenberg United States

Jane S. Lin-Fu United States

A. Brockhaus Germany

D Popovać United States

Eduardo Palazuelos Mexico

Ian H. von Lindern United States

Estela Perroni Mexico

Timothy Dignam United States

Patricia H. Field United States

Roger S. Challop

648 ×1.0

HTM

263 ×1.0

POLLU

226 ×1.0

ND

129 ×1.0

SPS

92 ×1.0

SH

Citations per year, relative to Roger S. Challop Roger S. Challop (= 1×) peers Patricia H. Field

Countries citing papers authored by Roger S. Challop

Since Specialization

Citations

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

Fields of papers citing papers by Roger S. Challop

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Roger S. Challop

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

All Works

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6 of 6 papers shown

1.

Cleveland, William L., Robert L. DeLaPaz, Rashid A. Fawwaz, & Roger S. Challop. (2009). High-Dose Glycine Treatment of Refractory Obsessive-Compulsive Disorder and Body Dysmorphic Disorder in a 5-Year Period. Neural Plasticity. 2009. 1–25. 12 indexed citations

2.

Needleman, Herbert L., Vernon N. Houk, Irwin H. Billick, et al.. (1978). Preventing lead poisoning in young children. The Journal of Pediatrics. 93(4). 709–720. 792 indexed citations breakdown →

3.

Simpson, J. M., et al.. (1973). Elevated Blood Lead Levels in Children: A 27-City Neighborhood Survey. Health Services Reports. 88(5). 419–419. 6 indexed citations

4.

Challop, Roger S., et al.. (1972). Simple rapid test for lead poisoning. The Journal of Pediatrics. 80(5). 892–893.

5.

Challop, Roger S., et al.. (1972). Breaking the childhood lead poisoning cycle--a program for community casefinding and self-help.. American Journal of Public Health. 62(5). 655–657. 4 indexed citations

6.

Challop, Roger S.. (1971). Role for Cadmium in Lead Poisoning. New England Journal of Medicine. 285(17). 970–971. 12 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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