Leon Chapman

2.9k total citations · 1 hit paper
8 papers, 2.1k citations indexed

About

Leon Chapman is a scholar working on Surgery, Physiology and Rheumatology. According to data from OpenAlex, Leon Chapman has authored 8 papers receiving a total of 2.1k indexed citations (citations by other indexed papers that have themselves been cited), including 6 papers in Surgery, 6 papers in Physiology and 2 papers in Rheumatology. Recurrent topics in Leon Chapman's work include Bariatric Surgery and Outcomes (6 papers), Diet and metabolism studies (5 papers) and Body Contouring and Surgery (2 papers). Leon Chapman is often cited by papers focused on Bariatric Surgery and Outcomes (6 papers), Diet and metabolism studies (5 papers) and Body Contouring and Surgery (2 papers). Leon Chapman collaborates with scholars based in Australia, United Kingdom and Qatar. Leon Chapman's co-authors include John B. Dixon, Linda M. Schachter, Paul E. O’Brien, Stewart Skinner, Margaret Anderson, Julie Playfair, Michael Bailey, Joseph Proietto, Paul O’Brien and A. L. Darling and has published in prestigious journals such as JAMA, Annals of Internal Medicine and Obesity Surgery.

In The Last Decade

Leon Chapman

8 papers receiving 2.0k 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.

Adjustable Gastric Banding and Conventional Therapy for Type 2 Diabetes

2008 1.0k citations John B. Dixon, Paul E. O’Brien et al. JAMA profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Leon Chapman Australia	7	1.7k	1.2k	596	449	252	8	2.1k
Margaret Anderson Australia	7	1.6k 1.0×	1.0k 0.9×	635 1.1×	372 0.8×	240 1.0×	9	2.0k
Laura Leccesi Italy	12	1.5k 0.9×	1.0k 0.9×	306 0.5×	642 1.4×	161 0.6×	15	2.0k
Julie Playfair Australia	9	1.3k 0.8×	870 0.7×	416 0.7×	390 0.9×	182 0.7×	15	1.7k
Jeanette M. Dolezal United States	6	1.5k 0.9×	931 0.8×	366 0.6×	435 1.0×	201 0.8×	6	1.7k
Åsa Anveden Sweden	9	1.2k 0.7×	706 0.6×	278 0.5×	471 1.0×	187 0.7×	12	1.5k
Beth Abood United States	7	1.9k 1.1×	1.2k 1.0×	383 0.6×	681 1.5×	220 0.9×	7	2.3k
Susan Thomas United States	4	1.6k 1.0×	973 0.8×	335 0.6×	557 1.2×	181 0.7×	7	1.9k
Sofie Ahlin Sweden	13	1.2k 0.7×	745 0.6×	265 0.4×	486 1.1×	192 0.8×	27	1.6k
Fotis Kalfarentzos Greece	29	2.2k 1.3×	1.3k 1.1×	363 0.6×	536 1.2×	117 0.5×	48	3.1k
Lílliam Flores Spain	24	1.5k 0.9×	984 0.8×	229 0.4×	399 0.9×	87 0.3×	63	1.9k

Countries citing papers authored by Leon Chapman

Since Specialization

Citations

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

Fields of papers citing papers by Leon Chapman

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Leon Chapman

This figure shows the co-authorship network connecting the top 25 collaborators of Leon Chapman. A scholar is included among the top collaborators of Leon Chapman 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 Leon Chapman. Leon Chapman 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:

8 of 8 papers shown

1.

Chapman, Leon, A. L. Darling, & Jonathan E. Brown. (2016). Association between metformin and vitamin B12 deficiency in patients with type 2 diabetes: A systematic review and meta-analysis. Diabetes & Metabolism. 42(5). 316–327. 135 indexed citations

2.

Chapman, Leon, A. L. Darling, & Jonathan E. Brown. (2015). The association between the biguanide drug metformin and vitamin B₁₂ deficiency in diabetic patients: a systematic review. Proceedings of The Nutrition Society. 74(OCE1). 2 indexed citations

3.

Dixon, John B., Paul E. O’Brien, Julie Playfair, et al.. (2008). Adjustable Gastric Banding and Conventional Therapy for Type 2 Diabetes. JAMA. 299(3). 316–23. 1019 indexed citations breakdown →

4.

Dixon, John B., Paul E. O’Brien, Julie Playfair, et al.. (2008). Adjustable Gastric Banding and Conventional Therapy for Type 2 Diabetes: A Randomized Controlled Trial. Obstetrical & Gynecological Survey. 63(6). 372–373. 120 indexed citations

5.

O’Brien, Paul E., John B. Dixon, Cheryl Laurie, et al.. (2006). Treatment of mild to moderate obesity with laparoscopic adjustable gastric banding or an intensive medical program: a randomized trial.. PubMed. 144(9). 625–33. 362 indexed citations

6.

O’Brien, Paul E., John B. Dixon, Cheryl Laurie, et al.. (2006). Treatment of Mild to Moderate Obesity with Laparoscopic Adjustable Gastric Banding or an Intensive Medical Program. Annals of Internal Medicine. 144(9). 625–633. 41 indexed citations

7.

O’Brien, Paul E., John B. Dixon, Wendy A. Brown, et al.. (2002). The Laparoscopic Adjustable Gastric Band (Lap-Band<SUP>®</SUP>): A Prospective Study of Medium-Term Effects on Weight, Health and Quality of Life. Obesity Surgery. 12(5). 652–660. 302 indexed citations

8.

Dixon, John B., Leon Chapman, & Paul O’Brien. (1999). Marked Improvement in Asthma after Lap-Band® Surgery for Morbid Obesity. Obesity Surgery. 9(4). 385–389. 142 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