This map shows the geographic impact of P. Czygan'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. Czygan with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites P. Czygan more than expected).
This network shows the impact of papers produced by P. Czygan. 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. Czygan. The network helps show where P. Czygan may publish in the future.
Co-authorship network of co-authors of P. Czygan
This figure shows the co-authorship network connecting the top 25 collaborators of P. Czygan.
A scholar is included among the top collaborators of P. Czygan 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. Czygan. P. Czygan is excluded from
the visualization to improve readability, since they are connected to all nodes in the network.
Raedsch, R., A. Stiehl, R Waldherr, et al.. (1982). Procollagen-type III-peptide serum concentrations in chronic persistent and chronic active hepatitis and in cirrhosis of the liver and their diagnostic value.. PubMed. 20(12). 738–43.30 indexed citations
6.
Stiehl, A., P. Czygan, B. Kommerell, H. J. Weis, & K. H. Holtermüller. (1978). Ursodeoxycholic acid versus chenodeoxycholic acid. Comparison of their effects on bile acid and bile lipid composition in patients with cholesterol gallstones.. Munich Personal RePEc Archive (Ludwig Maximilian University of Munich). 75(6). 1016–20.102 indexed citations
7.
Stiehl, A., P. Czygan, W Fröhling, & B Kommerell. (1978). [Dissolving of cholesterol gallstones. Differences in the treatment of gallbladder and biliary stones].. Munich Personal RePEc Archive (Ludwig Maximilian University of Munich). 54(2). 70–4.1 indexed citations
8.
Stiehl, Adolf, et al.. (1978). [Bile lipids in null diet].. PubMed. 1134–6.1 indexed citations
Stiehl, A., P. Czygan, W Fröhling, & B Kommerell. (1977). [Changes in biliary bile acid composition and cholesterol saturation of bile in patients with cholesterol gallstones following treatment with ursodeoxycholic acid].. PubMed. 83. 501–2.2 indexed citations
Leuschner, U., et al.. (1977). [Morphologic studies on the toxicity of sulfated and nonsulfated lithocholic acid in the isolation-perfused rat liver].. Munich Personal RePEc Archive (Ludwig Maximilian University of Munich). 15(4). 246–53.16 indexed citations
13.
Czygan, P., et al.. (1975). [Proceedings: Treatment of hepato-choledocholithiasis with chenodeoxycholic acid in intrahepatic bile duct cysts (Caroli's disease)].. Munich Personal RePEc Archive (Ludwig Maximilian University of Munich). 117(20). 839–40.1 indexed citations
14.
Breckwoldt, M., P. Czygan, F. Lehmann, & G. Bettendorf. (1974). SYNTHETIC LH-RH AS A THERAPEUTIC AGENT. European Journal of Endocrinology. 75(2). 209–220.20 indexed citations
Czygan, P., Helmut Greim, Anthony J. Garro, et al.. (1973). Microsomal metabolism of dimethylnitrosamine and the cytochrome P-450 dependency of its activation to a mutagen.. PubMed. 33(11). 2983–6.184 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.