This map shows the geographic impact of Ch. Hartmann'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 Ch. Hartmann with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Ch. Hartmann more than expected).
This network shows the impact of papers produced by Ch. Hartmann. 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 Ch. Hartmann. The network helps show where Ch. Hartmann may publish in the future.
Co-authorship network of co-authors of Ch. Hartmann
This figure shows the co-authorship network connecting the top 25 collaborators of Ch. Hartmann.
A scholar is included among the top collaborators of Ch. Hartmann 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 Ch. Hartmann. Ch. Hartmann is excluded from
the visualization to improve readability, since they are connected to all nodes in the network.
All Works
20 of 20 papers shown
1.
Abbas, et al.. (2010). Sustained treatment response of metastatic hepatocellular carcinoma with bevacizumab and sorafenib. 世界胃肠病学杂志：英文版（电子版）. 3592–3596.4 indexed citations
Hartmann, Ch.. (1995). Recanalization of chronically occluded aorto-coronary vein grafts.. PubMed. 7 Suppl E. 15E–20E.1 indexed citations
9.
Hartmann, Ch., et al.. (1993). Directional atherectomy of aorto-ostial stenoses.. PubMed. Suppl 1. 17–25.5 indexed citations
10.
Kruger, J.M. & Ch. Hartmann. (1987). Brain metastases of an amelanotic melanoma as the primary manifestation in a 15-year old boy.. PubMed. 7(3 Pt B). 437–9.2 indexed citations
Berdel, Dietrich, et al.. (1979). [Comparison of the oscillatory measurement of airway resistance with plethysmography and spirometry in juvenile patients].. Munich Personal RePEc Archive (Ludwig Maximilian University of Munich). 109(3). 92–4.2 indexed citations
13.
Magnussen, H, et al.. (1979). Decrease of PaO2 during exercise in patients with emphysema and lung fibrosis. Evidence for different intrapulmonary diffusive resistances.. PubMed. 15(1). 153–61.2 indexed citations
14.
Wa, Bleyer, et al.. (1978). Failure of moderate-dose prolonged-infusion methotrexate and citrovorum factor rescue in patients with previously treated metastatic neuroblastoma--a phase II study.. PubMed. 62(7). 1097–9.3 indexed citations
15.
Lr, Sauvage, et al.. (1969). A very thin, porous, knitted arterial prosthesis: experimental data and early clinical assessment.. PubMed. 65(1). 78–88.22 indexed citations
16.
Hartmann, Ch., et al.. (1967). Preliminary evaluation of daunomycin in children with acute leukemia.. PubMed. 15(19). 939–939.2 indexed citations
17.
Brubaker, Charles, et al.. (1964). TRIAL OF HYDROXYUREA (NSC-32065) IN CANCER IN CHILDREN.. PubMed. 37. 41–6.4 indexed citations
18.
Hartmann, Ch., et al.. (1960). The clinical evaluation of 5-fluoro-2'-deoxyuridine in acute leukemia in children.. PubMed. 8. 84–96.3 indexed citations
19.
Hartmann, Ch., et al.. (1957). Haemophilia and related haemorrhagic disorders.. PubMed. 178(1064). 179–90.22 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.