Darleen Powars

4.3k total citations · 1 hit paper
68 papers, 3.3k citations indexed

About

Darleen Powars is a scholar working on Genetics, Hematology and Epidemiology. According to data from OpenAlex, Darleen Powars has authored 68 papers receiving a total of 3.3k indexed citations (citations by other indexed papers that have themselves been cited), including 44 papers in Genetics, 27 papers in Hematology and 9 papers in Epidemiology. Recurrent topics in Darleen Powars's work include Hemoglobinopathies and Related Disorders (43 papers), Iron Metabolism and Disorders (15 papers) and Blood groups and transfusion (11 papers). Darleen Powars is often cited by papers focused on Hemoglobinopathies and Related Disorders (43 papers), Iron Metabolism and Disorders (15 papers) and Blood groups and transfusion (11 papers). Darleen Powars collaborates with scholars based in United States. Darleen Powars's co-authors include Linda S. Chan, Alan L. Hiti, Cage S. Johnson, Charles H. Pegelow, Emily Ramicone, Brian J. Wilson, J. R. L. Allen, Joyce C. Niland, Gary D. Overturf and Lawrence M. Opas and has published in prestigious journals such as New England Journal of Medicine, JAMA and Blood.

In The Last Decade

Darleen Powars

67 papers receiving 3.0k citations

Hit Papers

The natural history of st... 1978 2026 1994 2010 1978 100 200 300 400
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.

  1. The natural history of stroke in sickle cell disease
    1978 461 citations Darleen Powars, Brian J. Wilson et al. The American Journal of Medicine profile →

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
Darleen Powars United States 27 2.6k 2.0k 763 260 257 68 3.3k
Mabel Koshy United States 23 2.0k 0.8× 1.5k 0.8× 534 0.7× 268 1.0× 252 1.0× 37 2.5k
Sharada A. Sarnaik United States 28 1.6k 0.6× 1.3k 0.7× 419 0.5× 268 1.0× 147 0.6× 71 2.1k
Mariane de Montalembert France 30 2.5k 1.0× 2.1k 1.0× 737 1.0× 326 1.3× 210 0.8× 139 3.0k
Lori Styles United States 41 3.8k 1.5× 3.1k 1.5× 782 1.0× 683 2.6× 493 1.9× 95 4.8k
Frederic Galactéros France 27 1.6k 0.6× 1.2k 0.6× 403 0.5× 389 1.5× 277 1.1× 146 2.3k
Panpit Klug United States 8 2.7k 1.0× 2.1k 1.0× 848 1.1× 333 1.3× 305 1.2× 10 3.0k
Sherri A. Zimmerman United States 22 1.3k 0.5× 1.4k 0.7× 362 0.5× 198 0.8× 198 0.8× 50 2.0k
Banu Aygün United States 29 2.1k 0.8× 1.9k 0.9× 644 0.8× 373 1.4× 320 1.2× 114 2.8k
Adetola A. Kassim United States 31 1.4k 0.5× 1.7k 0.9× 592 0.8× 77 0.3× 296 1.2× 187 2.8k
Denis R. Miller United States 30 672 0.3× 985 0.5× 654 0.9× 446 1.7× 412 1.6× 98 2.7k

Countries citing papers authored by Darleen Powars

Since Specialization
Citations

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

Fields of papers citing papers by Darleen Powars

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Darleen Powars. 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 Darleen Powars. The network helps show where Darleen Powars may publish in the future.

Co-authorship network of co-authors of Darleen Powars

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

All Works

20 of 20 papers shown
1.
Wong, W. Eric & Darleen Powars. (2007). Overt and Incomplete (Silent) Cerebral Infarction in Sickle Cell Anemia: Diagnosis and Management. Neuroimaging Clinics of North America. 17(2). 269–280. 7 indexed citations
2.
Powars, Darleen, et al.. (2005). Outcome of Sickle Cell Anemia. Medicine. 84(6). 363–376. 444 indexed citations
3.
Powars, Darleen. (2000). Management Of Cerebral Vasculopathy In Children With Sickle Cell Anaemia. British Journal of Haematology. 108(4). 666–678. 39 indexed citations
4.
Hiti, Alan L., et al.. (1997). Beta-globin haplotypes from blood spots for follow-up of newborn hemoglobinopathy screening. American Journal of Hematology. 54(1). 76–78. 4 indexed citations
5.
Baird, John Scott, et al.. (1994). Combined Pressure Control/High Frequency Ventilation in Adult Respiratory Distress Syndrome and Sickle Cell Anemia. CHEST Journal. 106(6). 1913–1916. 12 indexed citations
6.
Wong, W. Eric, Marilyn L. Slovak, Bishan S. Charak, et al.. (1993). Terminal acute myelogenous leukemia in a patient with congenital agranulocytosis. American Journal of Hematology. 43(2). 133–138. 34 indexed citations
7.
Powars, Darleen. (1990). Sickle Cell Anemia and Major Organ Failure. Hemoglobin. 14(6). 573–598. 56 indexed citations
8.
Powars, Darleen, Gary D. Overturf, & Jeanette Wilkins. (1983). Commentary: Infections in sickle cell and SC disease. The Journal of Pediatrics. 103(2). 242–244. 9 indexed citations
9.
Meyer, Paul R., Robert L. Modlin, Darleen Powars, et al.. (1983). Altered distribution of T-lymphocyte subpopulations in lymph nodes from patients with acquired immunodeficiency-like syndrome and hemphilia. The Journal of Pediatrics. 103(3). 407–410. 21 indexed citations
10.
Rigau-Pérez, José G., et al.. (1983). Reactions to booster pneumococcal vaccination in patients with sickle cell disease. The Pediatric Infectious Disease Journal. 2(3). 199–202. 22 indexed citations
11.
Muraji, Toshihiro, et al.. (1982). Evaluation of the surgical aspects of staging laparotomy for Hodgkin's disease in children. Journal of Pediatric Surgery. 17(6). 843–848. 10 indexed citations
12.
Pegelow, Charles H., et al.. (1979). Lead screening in sickle cell disease. The Journal of Pediatrics. 95(5). 738–740. 5 indexed citations
13.
Quinn, John J., Clive R. Taylor, Virginia L. Swanson, et al.. (1979). Childhood leukemia and lymphoma: Correlation of clinical features with immunological and morphological studies. Medical and Pediatric Oncology. 7(1). 35–47. 8 indexed citations
14.
Powars, Darleen, et al.. (1978). The natural history of stroke in sickle cell disease. The American Journal of Medicine. 65(3). 461–471. 461 indexed citations breakdown →
15.
Steinberg, Evan A., Gary D. Overturf, Bernard Portnoy, et al.. (1978). Serologic and clinical response of children with sickle cell disease to bivalent influenza A split virus vaccine. The Journal of Pediatrics. 92(5). 823–825. 9 indexed citations
16.
Baker, Richard F., Darleen Powars, & L. Julian Haywood. (1977). Restriction of calcium uptake in normal and sickle red cells by procaine hydrochloride and P-aminobenzoic acid. Biochemical and Biophysical Research Communications. 75(2). 381–388. 7 indexed citations
17.
Schroeder, W. A., et al.. (1977). Ilb-E in Combination with Ilb-S and Hb-C in a Black Family. Hemoglobin. 1(3). 287–289. 17 indexed citations
18.
Kumar, Santosh, Darleen Powars, John I. Allen, & L. Julian Haywood. (1976). Anxiety, self-concept, and personal and social adjustments in children with sickle cell anemia. The Journal of Pediatrics. 88(5). 859–863. 56 indexed citations
19.
Pegelow, Charles H., Allan J. Ebbin, Darleen Powars, & Joseph W. Towner. (1975). Familial neuroblastoma. The Journal of Pediatrics. 87(5). 763–765. 26 indexed citations
20.
Beutler, Ernest, et al.. (1974). Prevalence of Glucose-6-Phosphate Dehydrogenase Deficiency in Sickle-Cell Disease. New England Journal of Medicine. 290(15). 826–828. 26 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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