This map shows the geographic impact of L Köhler'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 L Köhler with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites L Köhler more than expected).
This network shows the impact of papers produced by L Köhler. 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 L Köhler. The network helps show where L Köhler may publish in the future.
Co-authorship network of co-authors of L Köhler
This figure shows the co-authorship network connecting the top 25 collaborators of L Köhler.
A scholar is included among the top collaborators of L Köhler 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 L Köhler. L Köhler is excluded from
the visualization to improve readability, since they are connected to all nodes in the network.
Andresen, J. Michael, et al.. (2003). Evaluation of amplicor chlamydia PCR and LCX chlamydia LCR to detect Chlamydia trachomatis in synovial fluid.. PubMed. 20(2). 185–92.10 indexed citations
Woywodt, Alexander, Anke Schwarz, Michael Mengel, et al.. (2001). Nephrotoxicity of selective COX-2 inhibitors.. PubMed. 28(9). 2133–5.27 indexed citations
8.
Kuipers, Jens G., H. Zeidler, J. Wollenhaupt, & L Köhler. (2000). Diagnostik der reaktiven Arthritiden. Aktuelle Rheumatologie. 25(01/02). 22–29.3 indexed citations
Kuipers, Jens G., L Köhler, & H. Zeidler. (1999). Reactive or infectious arthritis. Annals of the Rheumatic Diseases. 58(11). 661–664.31 indexed citations
Wollenhaupt, J., Faye A. Hartmann, L Köhler, et al.. (1997). Evaluation of ELISA to detect Chlamydia trachomatis antigen in urine samples from arthritis patients.. PubMed. 15(2). 169–74.4 indexed citations
15.
Hass, Ralf, L Köhler, Volkmar Leßmann, et al.. (1990). Alterations in glycosylation and lectin pattern during phorbol ester-induced differentiation of U937 cells.. PubMed. 50(2). 323–7.17 indexed citations
16.
Hass, Ralf, G. Giese, Andreas Hartmann, et al.. (1990). Differentiation and retrodifferentiation of U937 cells: reversible induction and suppression of intermediate filament protein synthesis.. PubMed. 51(2). 265–71.54 indexed citations
17.
Hass, Ralf, H. Bartels, Nicholas Topley, et al.. (1989). TPA-induced differentiation and adhesion of U937 cells: changes in ultrastructure, cytoskeletal organization and expression of cell surface antigens.. PubMed. 48(2). 282–93.148 indexed citations
Köhler, L, et al.. (1972). [Acceleration in female chemical workers. A study on the behavior of menarche and menopause in 5046 women].. PubMed. 18(8). 570–4.2 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.