P T Johnson

1.5k total citations · 1 hit paper
16 papers, 1.2k citations indexed

About

P T Johnson is a scholar working on Surgery, Pulmonary and Respiratory Medicine and Infectious Diseases. According to data from OpenAlex, P T Johnson has authored 16 papers receiving a total of 1.2k indexed citations (citations by other indexed papers that have themselves been cited), including 5 papers in Surgery, 4 papers in Pulmonary and Respiratory Medicine and 3 papers in Infectious Diseases. Recurrent topics in P T Johnson's work include Helicobacter pylori-related gastroenterology studies (2 papers), Anatomy and Medical Technology (2 papers) and Amoebic Infections and Treatments (2 papers). P T Johnson is often cited by papers focused on Helicobacter pylori-related gastroenterology studies (2 papers), Anatomy and Medical Technology (2 papers) and Amoebic Infections and Treatments (2 papers). P T Johnson collaborates with scholars based in United States and United Kingdom. P T Johnson's co-authors include W. G. Kraft, D R Morgan, R D Leunk, Brien C. David, David G. Heath, Elliot K. Fishman, Brian S. Kuszyk, R.A. Neal, R J Polson and Robert Logan and has published in prestigious journals such as Nature, Gut and Radiology.

In The Last Decade

P T Johnson

16 papers receiving 1.1k 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.

Cytotoxic activity in broth-culture filtrates of Campylobacter pylori

1988 542 citations R D Leunk, P T Johnson et al. Journal of Medical Microbiology profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
P T Johnson United States	12	787	389	319	200	161	16	1.2k
N Mapstone United Kingdom	15	1.6k 2.1×	164 0.4×	541 1.7×	192 1.0×	169 1.0×	23	2.1k
Randall A. Allardyce New Zealand	17	544 0.7×	180 0.5×	327 1.0×	63 0.3×	53 0.3×	30	1.3k
Ko Nakashima Japan	18	275 0.3×	155 0.4×	542 1.7×	383 1.9×	96 0.6×	68	1.2k
William K. Gourley United States	15	946 1.2×	503 1.3×	263 0.8×	223 1.1×	87 0.5×	29	1.5k
Kenjiro FUKUSHIMA Japan	20	333 0.4×	155 0.4×	458 1.4×	217 1.1×	74 0.5×	62	1.0k
Hideyuki Kanemoto Japan	24	937 1.2×	74 0.2×	642 2.0×	139 0.7×	112 0.7×	133	1.8k
A. S. Peña Netherlands	21	1.7k 2.1×	620 1.6×	651 2.0×	198 1.0×	666 4.1×	45	2.2k
Roberto Lorenzetti Italy	19	578 0.7×	111 0.3×	382 1.2×	104 0.5×	284 1.8×	46	1.1k
R. J. Washabau United States	9	219 0.3×	110 0.3×	673 2.1×	387 1.9×	125 0.8×	11	923
A Bertotto Italy	25	170 0.2×	804 2.1×	145 0.5×	38 0.2×	109 0.7×	86	1.6k

Countries citing papers authored by P T Johnson

Since Specialization

Citations

This map shows the geographic impact of P T Johnson'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 T Johnson with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites P T Johnson more than expected).

Fields of papers citing papers by P T Johnson

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of P T Johnson

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

All Works

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16 of 16 papers shown

Feld, Rick, Anne Rosenberg, Levon N. Nazarian, et al.. (2001). Intraoperative sonographic localization of breast masses: success with specimen sonography and surgical bed sonography to confirm excision.. Journal of Ultrasound in Medicine. 20(9). 959–966. 6 indexed citations

Johnson, P T, Levon N. Nazarian, Rick Feld, et al.. (2001). Sonographically guided renal mass biopsy: indications and efficacy.. Journal of Ultrasound in Medicine. 20(7). 749–753. 49 indexed citations

Nazarian, Levon N., Rick Feld, Steven K. Herrine, et al.. (2000). Safety and efficacy of sonographically guided random core biopsy for diffuse liver disease.. Journal of Ultrasound in Medicine. 19(8). 537–541. 20 indexed citations

Kuszyk, Brian S., David G. Heath, P T Johnson, John Eng, & E K Fishman. (1999). CT angiography with volume rendering for quantifying vascular stenoses: in vitro validation of accuracy.. American Journal of Roentgenology. 173(2). 449–455. 31 indexed citations

Johnson, P T, et al.. (1998). Interactive three-dimensional volume rendering of spiral CT data: current applications in the thorax.. Radiographics. 18(1). 165–187. 45 indexed citations

Johnson, P T, David G. Heath, Brian S. Kuszyk, & Elliot K. Fishman. (1996). CT angiography with volume rendering: advantages and applications in splanchnic vascular imaging.. Radiology. 200(2). 564–568. 99 indexed citations

Johnson, P T, David G. Heath, Donald Bliss, Bruno Cabral, & Elliot K. Fishman. (1996). Three-dimensional CT: real-time interactive volume rendering.. American Journal of Roentgenology. 167(3). 581–583. 79 indexed citations

Johnson, Gregory L., P T Johnson, & Elliot K. Fishman. (1996). CT evaluation of the acute abdomen: bowel pathology spectrum of disease.. PubMed. 37(3). 163–90. 12 indexed citations

Logan, Robert, R J Polson, J J Misiewicz, et al.. (1991). Simplified single sample 13Carbon urea breath test for Helicobacter pylori: comparison with histology, culture, and ELISA serology.. Gut. 32(12). 1461–1464. 178 indexed citations

10.

Leunk, R D, P T Johnson, Brien C. David, W. G. Kraft, & D R Morgan. (1988). Cytotoxic activity in broth-culture filtrates of Campylobacter pylori. Journal of Medical Microbiology. 26(2). 93–99. 542 indexed citations breakdown →

11.

Kraft, W. G., P T Johnson, B. David, & D R Morgan. (1986). Cutaneous infection in normal and immunocompromised mice. Infection and Immunity. 52(3). 707–713. 27 indexed citations

12.

Johnson, P T. (1986). Human Hybridomas and Monoclonal Antibodies. Biochemical Society Transactions. 14(3). 664–665. 40 indexed citations

13.

Johnson, P T & R.A. Neal. (1968). The amoebicidal activity and toxicity of natural emetine, (±)-2-dehydroemetine and (−)-2-dehydroemetine. Annals of Tropical Medicine and Parasitology. 62(4). 455–461. 9 indexed citations

14.

Neal, R.A. & P T Johnson. (1968). The virulence to rats of five Entamoeba histolytica-like strains capable of growth at 25°C and attempts to discover similar strains. Parasitology. 58(3). 599–603. 8 indexed citations

15.

Neal, R.A. & P T Johnson. (1966). The relationship between growth at room temperature and virulence of strains of Entamoeba histolytica. Transactions of the Royal Society of Tropical Medicine and Hygiene. 60(1). 10–10. 3 indexed citations

16.

Johnson, P T, R.A. Neal, & D. Gall. (1963). Protective Effect of Killed Trypanosome Vaccines with Incorporated Adjuvants. Nature. 200(4901). 83–83. 49 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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