This map shows the geographic impact of P Ketonen'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 P Ketonen with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites P Ketonen more than expected).
This network shows the impact of papers produced by P Ketonen. 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 P Ketonen. The network helps show where P Ketonen may publish in the future.
Co-authorship network of co-authors of P Ketonen
This figure shows the co-authorship network connecting the top 25 collaborators of P Ketonen.
A scholar is included among the top collaborators of P Ketonen 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 P Ketonen. P Ketonen is excluded from
the visualization to improve readability, since they are connected to all nodes in the network.
Ala-Kulju, K, R Luosto, P Ketonen, Jarmo Salo, & L. Heikkinen. (1989). Primary tumours of the sternum. Scandinavian Journal of Thoracic and Cardiovascular Surgery. 23(2). 169–172.6 indexed citations
4.
Sipponen, J, Mauri Lepäntalo, K Kyösola, K Verkkala, & P Ketonen. (1989). Popliteal artery entrapment.. PubMed. 78(2). 103–9.5 indexed citations
Sipponen, J, et al.. (1989). Femorotibial bypass grafting for lower limb ischaemia.. PubMed. 8(2). 65–9.4 indexed citations
7.
Ala-Kulju, K, P Ketonen, Antero Järvinen, Jarmo Salo, & R Luosto. (1988). Primary tumours of the ribs. Scandinavian Journal of Thoracic and Cardiovascular Surgery. 22(2). 97–100.12 indexed citations
Ketonen, P, Leena Ketonen, S Mattila, & R Luosto. (1979). Nonrotation anomaly of the bowel causing acute intestinal obstruction in adults. A report of two cases.. PubMed. 145(7). 491–3.2 indexed citations
14.
Ketonen, P, R Luosto, S Mattila, & Leena Ketonen. (1978). Surgical experience with acute arterial occlusion in the upper extremities.. Munich Personal RePEc Archive (Ludwig Maximilian University of Munich). 67(4). 134–6.5 indexed citations
15.
Ketonen, P, et al.. (1978). Recurrent small bowel obstruction caused by a benign tumor. A report of two cases.. PubMed. 144(4). 261–2.3 indexed citations
16.
Ketonen, P, et al.. (1977). Desmoid tumour compressing vital pelvic structures. A case report.. Munich Personal RePEc Archive (Ludwig Maximilian University of Munich). 66(4). 203–5.
17.
Mattila, S, et al.. (1977). Traumatic diaphragmatic hernia. Report of 50 cases.. PubMed. 143(5). 313–8.6 indexed citations
18.
Ketonen, P, et al.. (1975). Surgical treatment of hernia through the foramen of Morgagni.. PubMed. 141(7). 633–6.9 indexed citations
19.
Ketonen, P, et al.. (1975). Congenital posterolateral diaphragmatic hernia in the adult.. PubMed. 141(7). 628–32.16 indexed citations
20.
Harjola, Pekka-T. & P Ketonen. (1968). Splanchnicectomy in the treatment of chronic spastic constipation.. PubMed. 57(4). 510–2.2 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.