Nagappan Kumar

30 papers and 270 indexed citations i.

About

Nagappan Kumar is a scholar working on Surgery, Pulmonary and Respiratory Medicine and Oncology. According to data from OpenAlex, Nagappan Kumar has authored 30 papers receiving a total of 270 indexed citations (citations by other indexed papers that have themselves been cited), including 17 papers in Surgery, 10 papers in Pulmonary and Respiratory Medicine and 6 papers in Oncology. Recurrent topics in Nagappan Kumar’s work include Gallbladder and Bile Duct Disorders (4 papers), Hepatocellular Carcinoma Treatment and Prognosis (4 papers) and Hip and Femur Fractures (3 papers). Nagappan Kumar is often cited by papers focused on Gallbladder and Bile Duct Disorders (4 papers), Hepatocellular Carcinoma Treatment and Prognosis (4 papers) and Hip and Femur Fractures (3 papers). Nagappan Kumar collaborates with scholars based in United Kingdom, Canada and United States. Nagappan Kumar's co-authors include Ceri Beaton, D.Ll. Cochlin, Argiris Asderakis, Rafael Chavez, Jean de Ville de Goyet, Philip John, W. A. Jurewicz, Michelle Orme, Khalid Sharif and Patrick McKiernan and has published in prestigious journals such as Annals of Surgery, Spine and Annals of Oncology.

In The Last Decade

Co-authorship network of co-authors of Nagappan Kumar i

Fields of papers citing papers by Nagappan Kumar

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Countries citing papers authored by Nagappan Kumar

Since Specialization
Citations

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

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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2025