Karl J. Gregor

927 total citations · 1 hit paper
11 papers, 731 citations indexed

About

Karl J. Gregor is a scholar working on Psychiatry and Mental health, Pharmacology and Experimental and Cognitive Psychology. According to data from OpenAlex, Karl J. Gregor has authored 11 papers receiving a total of 731 indexed citations (citations by other indexed papers that have themselves been cited), including 4 papers in Psychiatry and Mental health, 3 papers in Pharmacology and 3 papers in Experimental and Cognitive Psychology. Recurrent topics in Karl J. Gregor's work include Schizophrenia research and treatment (4 papers), Health Systems, Economic Evaluations, Quality of Life (3 papers) and Treatment of Major Depression (3 papers). Karl J. Gregor is often cited by papers focused on Schizophrenia research and treatment (4 papers), Health Systems, Economic Evaluations, Quality of Life (3 papers) and Treatment of Major Depression (3 papers). Karl J. Gregor collaborates with scholars based in United States, United Kingdom and Spain. Karl J. Gregor's co-authors include Josep María Haro, Peter B. Jones, Jordi Alonso, Susana Araya, Diego Novick, Venetsanos Mavreas, Susana Ochoa, J. Orta, Arnau Fargas and M. Gervin and has published in prestigious journals such as Journal of Affective Disorders, Acta Psychiatrica Scandinavica and Quality of Life Research.

In The Last Decade

Karl J. Gregor

9 papers receiving 707 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.

The Clinical Global Impression–Schizophrenia scale: a simple instrument to measure the diversity of symptoms present in schizophrenia

2003 511 citations Josep María Haro, Susana Ochoa et al. Acta Psychiatrica Scandinavica profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Karl J. Gregor United States	7	566	185	154	117	115	11	731
L. Kola Oyewumi Canada	13	454 0.8×	192 1.0×	114 0.7×	48 0.4×	84 0.7×	34	655
Lakshmi P. Voruganti Canada	11	493 0.9×	183 1.0×	175 1.1×	129 1.1×	103 0.9×	15	653
Yong‐Zhen Weng China	15	453 0.8×	210 1.1×	78 0.5×	197 1.7×	106 0.9×	26	605
James D. Hegarty United States	7	571 1.0×	184 1.0×	285 1.9×	108 0.9×	47 0.4×	7	729
James R. Luke United States	10	632 1.1×	188 1.0×	123 0.8×	75 0.6×	147 1.3×	10	800
Marsha Tanenberg‐Karant United States	13	802 1.4×	356 1.9×	318 2.1×	158 1.4×	123 1.1×	18	993
Natalie Maples United States	17	982 1.7×	331 1.8×	298 1.9×	142 1.2×	198 1.7×	32	1.2k
Sherry Moscona United States	7	473 0.8×	174 0.9×	169 1.1×	140 1.2×	139 1.2×	7	602
Dante Durand United States	10	470 0.8×	177 1.0×	168 1.1×	60 0.5×	208 1.8×	20	645
Cristiana Montemagni Italy	17	481 0.8×	239 1.3×	172 1.1×	104 0.9×	148 1.3×	42	627

Countries citing papers authored by Karl J. Gregor

Since Specialization

Citations

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

Fields of papers citing papers by Karl J. Gregor

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Karl J. Gregor. 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 Karl J. Gregor. The network helps show where Karl J. Gregor may publish in the future.

Co-authorship network of co-authors of Karl J. Gregor

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

All Works

Sort: Min cites: Since: Top N: Style:

11 of 11 papers shown

Zhao, Zhenxiang, et al.. (2019). Diabetes Payer-Addressable Burden: An Actuarial Analysis. North American Actuarial Journal. 23(3). 386–394.

Haro, Josep María, Susana Ochoa, Diego Novick, et al.. (2003). The Clinical Global Impression–Schizophrenia scale: a simple instrument to measure the diversity of symptoms present in schizophrenia. Acta Psychiatrica Scandinavica. 107(s416). 16–23. 511 indexed citations breakdown →

Haro, Josep María, E.T. Edgell, Peter B. Jones, et al.. (2003). The European Schizophrenia Outpatient Health Outcomes (SOHO) study: rationale, methods and recruitment. Acta Psychiatrica Scandinavica. 107(3). 222–232. 96 indexed citations

Sacristán, José Antonio, et al.. (2000). Doses of olanzapine, risperidone, and haloperidol used in clinical practice: Results of a prospective pharmacoepidemiologic study. Clinical Therapeutics. 22(5). 583–599. 40 indexed citations

Gregor, Karl J., et al.. (1998). Concomitant Therapy with Anxiolytics or Hypnotics and Maintenance of Initial SSRI Therapy. Pharmacotherapy The Journal of Human Pharmacology and Drug Therapy. 18(6). 1298–1303.

Hutchins, David, et al.. (1998). Selective serotonin reuptake inhibitor utilization patterns: consistency across research designs. Clinical Therapeutics. 20(4). 797–805. 3 indexed citations

Edgell, E.T., et al.. (1997). Well-Being and Functional Status of Pharmacy Students: A Preliminary Assessment. Journal of Pharmacy Technology. 13(2). 84–88. 2 indexed citations

Gregor, Karl J., et al.. (1997). Concomitant use of selective serotonin reuptake inhibitors with other cytochrome P450 2D6 or 3A4 metabolized medications: how often does it really happen?. Journal of Affective Disorders. 46(1). 59–67. 12 indexed citations

Gregor, Karl J., et al.. (1996). Concomitant use of anxiolytics and hypnotics with selective serotonin reuptake inhibitors. Clinical Therapeutics. 18(3). 521–527. 22 indexed citations

10.

Ampel, Neil M., et al.. (1996). The use of two measures of health-related quality of life in HIV-infected individuals: a cross-sectional comparison. Quality of Life Research. 5(2). 281–286. 37 indexed citations

11.

Gregor, Karl J. & JoLaine R. Draugalis. (1994). Graduate Pharmacoeconomic Education and Training Programs in U.S. Colleges of Pharmacy. American Journal of Pharmaceutical Education. 58(4). 378–381. 8 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.

Explore authors with similar magnitude of impact