P.C. Frei

498 total citations · 1 hit paper
15 papers, 361 citations indexed

About

P.C. Frei is a scholar working on Epidemiology, Hepatology and Molecular Biology. According to data from OpenAlex, P.C. Frei has authored 15 papers receiving a total of 361 indexed citations (citations by other indexed papers that have themselves been cited), including 9 papers in Epidemiology, 5 papers in Hepatology and 3 papers in Molecular Biology. Recurrent topics in P.C. Frei's work include Hepatitis B Virus Studies (8 papers), Hepatitis Viruses Studies and Epidemiology (4 papers) and Protein purification and stability (2 papers). P.C. Frei is often cited by papers focused on Hepatitis B Virus Studies (8 papers), Hepatitis Viruses Studies and Epidemiology (4 papers) and Protein purification and stability (2 papers). P.C. Frei collaborates with scholars based in Switzerland, United States and Belgium. P.C. Frei's co-authors include G. J. Thorbecke, Baruj Benacerraf, Assad Safary, Pierre Van Damme, Miguel Bruguera, S Thoelen, V. Bakasénas, Geert Leroux‐Roels, A Leentvaar-Kuypers and Pierre‐Alexandre Bart and has published in prestigious journals such as Proceedings of the National Academy of Sciences, The Lancet and The Journal of Immunology.

In The Last Decade

P.C. Frei

14 papers receiving 301 citations

Hit Papers

align trajectories

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.

PHAGOCYTOSIS OF THE ANTIGEN, A CRUCIAL STEP IN THE INDUCTION OF THE PRIMARY RESPONSE

1965 165 citations P.C. Frei, Baruj Benacerraf et al. Proceedings of the National Academy of Sciences profile →

Peers

Countries citing papers authored by P.C. Frei

Since Specialization

Citations

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

Fields of papers citing papers by P.C. Frei

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by P.C. Frei. 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.C. Frei. The network helps show where P.C. Frei may publish in the future.

Co-authorship network of co-authors of P.C. Frei

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

All Works

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15 of 15 papers shown

#	Work	Indexed citations
1	The first combined vaccine against hepatitis A and B: an overview 1999 ·Vaccine ·S Thoelen, Pierre Van Damme, A Leentvaar-Kuypers, Geert Leroux‐Roels, Miguel Bruguera, P.C. Frei, V. Bakasénas, Assad Safary	105
2	Production of antibody to hepatitis A virus and hepatitis B surface antigen measured after combined hepatitis A/ hepatitis B vaccination in 242 adult volunteers 1998 ·Journal of Viral Hepatitis ·(unknown), Pierre‐Alexandre Bart, P Francioli, Assad Safary, P.C. Frei	21
3	[Prevalence of anti-HCV (C100-3) antibodies in 20.373 blood donors]. 1992 ·PubMed ·Christel Zufferey, Daniel Lavanchy, (unknown), (unknown), P.C. Frei, Alain Pécoud, (unknown)	3
4	Anti-pre-S2 antibody response in subjects vaccinated against hepatitis B and in naturally immunized subjects 1991 ·Research in Virology ·Daniel Lavanchy, Bernard Fritzell, (unknown), (unknown), P.C. Frei	2
5	Serological diagnosis of HIV infection: incidence, outcome and significance of partial reactions found in western blot analysis. 1989 ·PubMed ·(unknown), (unknown), P.C. Frei	6
6	DEMONSTRATION OF A SINGLE ANTIGEN-ANTIBODY SYSTEM IN 26 PATIENTS WITH NON-A, NON-B VIRAL HEPATITIS 1982 ·The Lancet ·Olivier Spertini, P.C. Frei	7
7	Influence of (+)-cyanidanol-3 on the leukocyte migration inhibition test carried out in the presence of purified protein derivative and hepatitis B surface antigen 1981 ·Infection and Immunity ·(unknown), P.C. Frei	10
8	Effet de substances anti-inflammatoires sur le chimiotactisme des poly-nucléaires humains étudié in vitro. 1978 ·Schweizerische medizinische Wochenschrift ·Alain Pécoud, Annette Leimgruber, P.C. Frei	1
9	Lack of Leukocyte Migration Inhibition by Hepatitis B Antigen and Normal Nonspecific Immunoreactivity in Asymptomatic Carriers 1976 ·The Journal of Infectious Diseases ·(unknown), P.C. Frei, (unknown), (unknown)	12
10	[Specific cellular immunity of Australia antigen. Preliminary reports on different forms of b hepatitis]. 1974 ·PubMed ·P Erard, P.C. Frei, (unknown), (unknown), (unknown)	4
11	Immunogenicity of Bovine Serum Albumin in Adult Rabbits of Various Strains 1971 ·International Archives of Allergy and Immunology ·(unknown), P.C. Frei	3
12	Further Characterization of Immune Tolerance Obtained in Adult Rabbits with Non-Immunogenic BSA. Attempts at Passive Transfer 1969 ·International Archives of Allergy and Immunology ·P.C. Frei	0
13	Immunologic Tolerance Induced in the Adult Rabbit with Modified BSA 1968 ·The Journal of Immunology ·P.C. Frei, (unknown), (unknown), Alfredo Vannotti	10
14	Demonstration of Specific Antibodies on Human Circulating Lymphocytes by a New Technique 1967 ·International Archives of Allergy and Immunology ·(unknown), P.C. Frei	12
15	PHAGOCYTOSIS OF THE ANTIGEN, A CRUCIAL STEP IN THE INDUCTION OF THE PRIMARY RESPONSE breakdown → 1965 ·Proceedings of the National Academy of Sciences ·P.C. Frei, Baruj Benacerraf, G. J. Thorbecke	165

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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