P.L. Yap

4.6k total citations · 1 hit paper
55 papers, 3.7k citations indexed

About

P.L. Yap is a scholar working on Hepatology, Epidemiology and Immunology. According to data from OpenAlex, P.L. Yap has authored 55 papers receiving a total of 3.7k indexed citations (citations by other indexed papers that have themselves been cited), including 19 papers in Hepatology, 18 papers in Epidemiology and 13 papers in Immunology. Recurrent topics in P.L. Yap's work include Hepatitis C virus research (18 papers), Hepatitis B Virus Studies (14 papers) and Immunodeficiency and Autoimmune Disorders (10 papers). P.L. Yap is often cited by papers focused on Hepatitis C virus research (18 papers), Hepatitis B Virus Studies (14 papers) and Immunodeficiency and Autoimmune Disorders (10 papers). P.L. Yap collaborates with scholars based in United Kingdom, Nigeria and Saudi Arabia. P.L. Yap's co-authors include Peter Simmonds, F. McOmish, Edward C. Holmes, Shiu‐Wan Chan, Janice A. Kolberg, M. S. Urdea, Bruce Irvine, Eileen L. Beall, Tai‐An Cha and B. C. Dow and has published in prestigious journals such as The Lancet, Gastroenterology and JNCI Journal of the National Cancer Institute.

In The Last Decade

P.L. Yap

54 papers receiving 3.6k 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.

Classification of hepatitis C virus into six major genotypes and a series of subtypes by phylogenetic analysis of the NS-5 region

1993 1.2k citations Peter Simmonds, Bruce Irvine et al. Journal of General Virology profile →

Peers

Countries citing papers authored by P.L. Yap

Since Specialization

Citations

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

Fields of papers citing papers by P.L. Yap

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of P.L. Yap

This figure shows the co-authorship network connecting the top 25 collaborators of P.L. Yap. A scholar is included among the top collaborators of P.L. Yap 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.L. Yap. P.L. Yap 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

#	Work	Indexed citations
1	Prevalence, Incidence, and Clinical Characteristics of Hepatitis G Virus/GB Virus C Infection in Scottish Blood Donors 1998 ·The Journal of Infectious Diseases ·(unknown), Fordyce A. Davidson, C. D. L. Lycett, Donald M. McDonald, Geoffrey Haydon, P.L. Yap, Peter Hayes, Peter Simmonds, J. Gillon	36
2	Levels of Hepatitis C Virus in Blood Donors Infected with Different Viral Genotypes 1996 ·The Journal of Infectious Diseases ·D. B. Smith, Fordyce A. Davidson, P.L. Yap, Harold E. Brown, Janice A. Kolberg, Jill Detmer, M S Urdea, Peter Simmonds, (unknown)	43
3	EPFA – NIBSC Workshop on ‘Nucleic Acid Amplification Assays and Plasma Products’ 1995 ·Biologicals ·W.P. Zeijlemaker, H. Theo M. Cuijpers, W.G. van Aken, J. Saldanha, Michael P. Busch, Giuseppe Colucci, (unknown), J. Hilfenhaus, Bernard Horowitz, H. O. Kangro, (unknown), P.N. Lelie, Peter Lens, Johannes Löwer, James S. Robertson, G. C. Schild, Peter Simmonds, P.L. Yap	2
4	Investigation of the pattern of hepatitis C virus sequence diversity in different geographical regions: implications for virus classification 1995 ·Journal of General Virology ·J. Mellor, Edward C. Holmes, L M Jarvis, P.L. Yap, Peter Simmonds, (unknown)	239
5	Use of NS-4 peptides to identify type-specific antibody to hepatitis C virus genotypes 1, 2, 3, 4, 5 and 6 1995 ·Journal of General Virology ·Vasker Bhattacherjee, L. E. Prescott, Ian Pike, Brian Rodgers, H. Bell, Abdel‐Rahman El‐Zayadi, Michael C. Kew, J. D. Conradie, (unknown), H. S. Marsden, Ahmed Saeed, Dawn D. Parker, P.L. Yap, Peter Simmonds	117
6	DETECTION OF HEPATITIS-A VIRUS (HAV) IN COAGULATION-FACTOR CONCENTRATES USING THE POLYMERASE CHAIN-REACTION 1993 ·Thrombosis and Haemostasis ·F. McOmish, P.L. Yap, Peter Simmonds, Harvi F. Hart	2
7	Classification of hepatitis C virus into six major genotypes and a series of subtypes by phylogenetic analysis of the NS-5 region breakdown → 1993 ·Journal of General Virology ·Peter Simmonds, Bruce Irvine, P.L. Yap, Janice A. Kolberg, Shiu‐Wan Chan, Tai‐An Cha, Eileen L. Beall, M. S. Urdea, Edward C. Holmes, F. McOmish	1176
8	A comparison of polymerase chain reaction and an infectivity assay for human immunodeficiency virus type 1 titration during virus inactivation of blood components 1993 ·Transfusion ·Harvi F. Hart, F. McOmish, (unknown), Peter Simmonds, P.L. Yap	10
9	Detection of three types of hepatitis C virus in blood donors: investigation of type‐specific differences in serologic reactivity and rate of alanine aminotransferase abnormalities 1993 ·Transfusion ·F. McOmish, Shiu‐Wan Chan, B. C. Dow, J. Gillon, (unknown), Robert J. Crawford, P.L. Yap, E. A. C. Follett, Peter Simmonds	258
10	Sequence variability in the 5' non-coding region of hepatitis C virus: identification of a new virus type and restrictions on sequence diversity 1993 ·Journal of General Virology ·Peter Simmonds, F. McOmish, P.L. Yap, Shiu‐Wan Chan, (unknown), Geoffrey Dusheiko, Ahmed Saeed, Edward C. Holmes	380
11	Analysis of a new hepatitis C virus type and its phylogenetic relationship to existing variants 1992 ·Journal of General Virology ·Shiu‐Wan Chan, F. McOmish, Edward C. Holmes, B. C. Dow, J F Peutherer, E. A. C. Follett, P.L. Yap, Peter Simmonds	372
12	Prostaglandin E₂production by rat peritoneal macrophages: role of cellular and humoral factors in vivo in transfusion-associated immunosuppression 1990 ·FEMS Microbiology Letters ·William Ross, H.A. Leaver, P.L. Yap, Gillian Raab, Bo Su, (unknown)	3
13	Hepatitis C quantification and sequencing in blood products, haemophiliacs, and drug users 1990 ·The Lancet ·Peter Simmonds, Selma Rebus, G. Leadbetter, J F Peutherer, Liqun Zhang, Peter Balfe, Evelyn Ferguson, Henry G. Watson, C A Ludlam, P.L. Yap	185
14	Blood transfusion and organ transplantation 1990 ·Blood Reviews ·William Ross, P.L. Yap	17
15	Release of Highly-Sulphated Glycosaminoglycans and Histamine from Human Basophils 1988 ·International Archives of Allergy and Immunology ·(unknown), J. Dawes, P.L. Yap, R. St. C. Barnetson, Ian MacGregor	7
16	Immunoglobulin Preparations for HIV‐Infected Patients 1988 ·Vox Sanguinis ·P.L. Yap, P Williams	12
17	The viral safety of intravenous immunoglobulin 1987 ·Journal of Infection ·(unknown), Rachel J. Perry, Peter R. Foster, (unknown), Robert J. Crawford, P.L. Yap	29
18	Atopy predisposing to acute bronchiolitis during an epidemic of respiratory syncytial virus. 1982 ·BMJ ·Ingrid A. Laing, (unknown), P.L. Yap, H Simpson	57
19	Growth hormone, insulin, and prolactin secretion in anorexia nervosa and obesity during bromocriptine treatment. 1977 ·BMJ ·A. D. B. Harrower, P.L. Yap, (unknown), Henry Walton, Jennifer Strong, (unknown)	13
20	Coagulation studies in patients treated with bromocriptine. 1976 ·BMJ ·A. D. B. Harrower, P.L. Yap, N. C. Allan	1

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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