Z.R. Vlahcevic

5.3k total citations · 3 hit papers
65 papers, 4.5k citations indexed

About

Z.R. Vlahcevic is a scholar working on Oncology, Surgery and Epidemiology. According to data from OpenAlex, Z.R. Vlahcevic has authored 65 papers receiving a total of 4.5k indexed citations (citations by other indexed papers that have themselves been cited), including 42 papers in Oncology, 33 papers in Surgery and 24 papers in Epidemiology. Recurrent topics in Z.R. Vlahcevic's work include Drug Transport and Resistance Mechanisms (42 papers), Liver Disease Diagnosis and Treatment (23 papers) and Cholesterol and Lipid Metabolism (22 papers). Z.R. Vlahcevic is often cited by papers focused on Drug Transport and Resistance Mechanisms (42 papers), Liver Disease Diagnosis and Treatment (23 papers) and Cholesterol and Lipid Metabolism (22 papers). Z.R. Vlahcevic collaborates with scholars based in United States, Sweden and France. Z.R. Vlahcevic's co-authors include Leon Swell, C. Cooper Bell, Phillip B. Hylemon, L. B. Seeff, Carroll M. Leevy, Lewis L. Levy, J.B. Rodgers, Willis C. Maddrey, Harold O. Conn and John T. Farrar and has published in prestigious journals such as New England Journal of Medicine, The Lancet and Journal of Biological Chemistry.

In The Last Decade

Z.R. Vlahcevic

65 papers receiving 4.0k citations

Hit Papers

align trajectories sort by overperformance

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

Comparison of lactulose and neomycin in the treatment of chronic portal-systemic encephalopathy. A double blind controlled trial.

1977 550 citations Harold O. Conn, Carroll M. Leevy et al. Munich Personal RePEc Archive (Ludwig Maximilian University of Munich) profile →
Comparison of Lactulose and Neomycin in the Treatment of Chronic Portal-Systemic Encephalopathy

1977 505 citations Harold O. Conn, Carroll M. Leevy et al. Gastroenterology profile →
Diminished Bile Acid Pool Size in Patients with Gallstones

1970 305 citations Z.R. Vlahcevic, C. Cooper Bell et al. Gastroenterology profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name	h						Papers	Cites
Z.R. Vlahcevic United States	39	2.2k	1.9k	1.7k	1.4k	655	65	4.5k
Leon Swell United States	38	2.1k 1.0×	1.6k 0.8×	1.1k 0.6×	399 0.3×	763 1.2×	127	4.2k
Nicola Carulli Italy	34	1.4k 0.6×	840 0.5×	2.1k 1.2×	908 0.7×	618 0.9×	115	4.1k
L. Capocaccia Italy	35	1.2k 0.6×	597 0.3×	1.8k 1.1×	1.8k 1.3×	300 0.5×	98	3.6k
Barbara H. Billing United Kingdom	31	739 0.3×	935 0.5×	828 0.5×	750 0.5×	1.1k 1.6×	83	3.5k
Martin Wagner Austria	41	2.2k 1.0×	3.3k 1.8×	2.6k 1.5×	1.8k 1.3×	1.2k 1.8×	81	6.2k
Gernot Zollner Austria	38	2.4k 1.1×	3.8k 2.1×	2.3k 1.4×	2.0k 1.5×	816 1.2×	87	5.9k
R. Todd Stravitz United States	36	1.4k 0.6×	939 0.5×	2.1k 1.3×	2.2k 1.6×	683 1.0×	59	4.3k
Satoru Kakizaki Japan	32	771 0.4×	709 0.4×	1.1k 0.6×	1.0k 0.7×	666 1.0×	189	3.4k
Joan Caballería Spain	40	890 0.4×	272 0.1×	3.3k 2.0×	2.3k 1.7×	862 1.3×	95	5.4k
Mark Pruzanski Italy	18	1.7k 0.8×	2.5k 1.3×	2.2k 1.3×	870 0.6×	1.7k 2.6×	23	5.2k

Countries citing papers authored by Z.R. Vlahcevic

Since Specialization

Citations

This map shows the geographic impact of Z.R. Vlahcevic'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 Z.R. Vlahcevic with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Z.R. Vlahcevic more than expected).

Fields of papers citing papers by Z.R. Vlahcevic

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Z.R. Vlahcevic. 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 Z.R. Vlahcevic. The network helps show where Z.R. Vlahcevic may publish in the future.

Co-authorship network of co-authors of Z.R. Vlahcevic

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

All Works

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20 of 20 papers shown

Stravitz, Richard T., et al.. (2000). Regulation of MDR2 p-glycoprotein expression by bile salts and cholesterol in rats and primary cultures of rat hepatocytes. Gastroenterology. 118(4). A592–A592. 1 indexed citations

Stravitz, R. Todd, et al.. (1996). Regulation of sterol 27-hydroxylase and an alternative pathway of bile acid biosynthesis in primary cultures of rat hepatocytes. The Journal of Steroid Biochemistry and Molecular Biology. 57(5-6). 337–347. 64 indexed citations

Hylemon, P B, R. Todd Stravitz, & Z.R. Vlahcevic. (1994). Molecular genetics and regulation of bile acid biosynthesis.. PubMed. 12. 99–120. 7 indexed citations

Pandak, William M., John Y.L. Chiang, Elaine Studer, et al.. (1991). Regulation of cholesterol 7 alpha-hydroxylase mRNA and transcriptional activity by taurocholate and cholesterol in the chronic biliary diverted rat. Journal of Biological Chemistry. 266(6). 3416–3421. 167 indexed citations

Heuman, Douglas M., Phillip B. Hylemon, & Z.R. Vlahcevic. (1989). Regulation of bile acid synthesis. III. Correlation between biliary bile salt hydrophobicity index and the activities of enzymes regulating cholesterol and bile acid synthesis in the rat.. Journal of Lipid Research. 30(8). 1161–1171. 148 indexed citations

Gurley, Emily C., et al.. (1985). Absence of negative feedback control of bile acid biosynthesis in cultured rat hepatocytes.. Journal of Biological Chemistry. 260(25). 13459–13463. 56 indexed citations

Grider, J. R., et al.. (1985). Selective inhibition of pentagastrin- and cholecystokinin-stimulated exocrine secretion by proglumide. Gastroenterology. 89(4). 746–751. 16 indexed citations

Monroe, Paul S., Z.R. Vlahcevic, & Leon Swell. (1983). In vivo evaluation of lipoprotein cholesterol ester metabolism in patients with liver disease. Gastroenterology. 85(4). 820–829. 13 indexed citations

Lachin, John M., Jay W. Marks, Leslie J. Schoenfield, et al.. (1981). Design and methodological considerations in the National Cooperative Gallstone Study: A multicenter clinical trial. Controlled Clinical Trials. 2(3). 177–229. 45 indexed citations

10.

Swell, Leon, Jan-Ακε Gustafsson, Henry Danielsson, Charles C. Schwartz, & Z.R. Vlahcevic. (1981). Biosynthesis of bile acids in man. An in vivo evaluation of the conversion of R and S 3 alpha, 7 alpha, 12 alpha-trihydroxy-5 beta-cholestanoic and 3 alpha, 7 alpha, 12 alpha-24 xi-tetrahydroxy-5 beta-cholestanoic acids to cholic acid.. Journal of Biological Chemistry. 256(2). 912–916. 14 indexed citations

11.

Swell, Leon, Jan-Ακε Gustafsson, Charles C. Schwartz, et al.. (1980). An in vivo evaluation of the quantitative significance of several potential pathways to cholic and chenodeoxycholic acids from cholesterol in man. Journal of Lipid Research. 21(4). 455–466. 58 indexed citations

12.

Conn, Harold O., Carroll M. Leevy, Z.R. Vlahcevic, et al.. (1977). Comparison of lactulose and neomycin in the treatment of chronic portal-systemic encephalopathy. A double blind controlled trial.. Munich Personal RePEc Archive (Ludwig Maximilian University of Munich). 72(4 Pt 1). 573–83. 550 indexed citations breakdown →

13.

Schwartz, Charles C., Bertram I. Cohen, Z.R. Vlahcevic, et al.. (1976). Quantitative aspects of the conversion of 5 beta-cholestane intermediates to bile acids in man.. Journal of Biological Chemistry. 251(20). 6308–6314. 23 indexed citations

14.

Gregory, Daniel H., Z.R. Vlahcevic, Peter F. Schatzki, & Leon Swell. (1975). Mechanism of secretion of biliary lipids. I. Role of bile canalicular and microsomal membranes in the synthesis and transport of biliary lecithin and cholesterol.. Journal of Clinical Investigation. 55(1). 105–114. 58 indexed citations

15.

McCormick, W. C., C. Cooper Bell, Leon Swell, & Z.R. Vlahcevic. (1973). Cholic acid synthesis as an index of the severity of liver disease in man. Gut. 14(11). 895–902. 67 indexed citations

16.

Bell, C. Cooper, et al.. (1973). Evidence that a diminished bile acid pool precedes the formation of cholesterol gallstones in man.. PubMed. 136(6). 961–5. 33 indexed citations

17.

Swell, Leon, C. Cooper Bell, & Z.R. Vlahcevic. (1971). Relationship of Bile Acid Pool Size to Biliary Lipid Excretion and the Formation of Litho Genic Bile in Man. Gastroenterology. 61(5). 716–722. 44 indexed citations

18.

Vlahcevic, Z.R., Ivo Buhac, C. Cooper Bell, & Leon Swell. (1970). Abnormal metabolism of secondary bile acids in patients with cirrhosis. Gut. 11(5). 420–422. 54 indexed citations

19.

Vlahcevic, Z.R., C. Cooper Bell, Ivo Buhac, John T. Farrar, & Leon Swell. (1970). Diminished Bile Acid Pool Size in Patients with Gallstones. Gastroenterology. 59(2). 165–173. 305 indexed citations breakdown →

20.

Vlahcevic, Z.R., et al.. (1967). Intravenous Therapy of Massive Ascites in Patients with Cirrhosis. Gastroenterology. 53(2). 220–228. 24 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.

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