Kaleem Ullah

56 papers and 200 indexed citations
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About

Kaleem Ullah is a scholar working on Surgery, Hepatology and Epidemiology. According to data from OpenAlex, Kaleem Ullah has authored 56 papers receiving a total of 200 indexed citations (citations by other indexed papers that have themselves been cited), including 23 papers in Surgery, 16 papers in Hepatology and 13 papers in Epidemiology. Recurrent topics in Kaleem Ullah’s work include Liver Disease and Transplantation (13 papers), Organ Transplantation Techniques and Outcomes (12 papers) and Organ Donation and Transplantation (8 papers). Kaleem Ullah is often cited by papers focused on Liver Disease and Transplantation (13 papers), Organ Transplantation Techniques and Outcomes (12 papers) and Organ Donation and Transplantation (8 papers). Kaleem Ullah collaborates with scholars based in Pakistan, United States and India. Kaleem Ullah's co-authors include Abubakar Nazir, Muhammad Sohaib Asghar, Muhammad Junaid Tahir, Abdul Wahab, Yuan Yu, Imdad Kaleem, Naveeda Riaz, Abdul Ghaffar, Habib ur Rehman and Abdul Malik Tareen and has published in prestigious journals such as PLoS ONE, Scientific Reports and Frontiers in Microbiology.

In The Last Decade

Co-authorship network of co-authors of Kaleem Ullah

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

Fields of papers citing papers by Kaleem Ullah

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Countries citing papers authored by Kaleem Ullah

Since Specialization
Citations

This map shows the geographic impact of Kaleem Ullah'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 Kaleem Ullah with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Kaleem Ullah 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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2026