VA Greater Los Angeles Healthcare System

Los Angeles (United States us)
General Health Professions
Veterans Affairs Depression (economics) Prostate Cancer Sleep (system call) Metastatic Prostate Cancer Pandemic Health Care Utilization Insomnia Obstructive Sleep Apnea Sleep Quality
Watch Introduction

Bibliometric indicators

Evolution over the last years of activity

Showing the period - Sept. 2024

9,659
Activity
3%

Total documents

2.4
Impact
3%

Normalized Impact

2,242
Excellence
3%

Highly Cited Papers (Top 10%)

77.8
Leadership
3%

Leadership (%)

18.6
Mobility & Collaboration
3%

International Collaboration (%)

276
Excellence
3%

Outstanding papers (Top 1%)

22.6
Leadership
3%

Women Leading (%)

3.5
Leadership
3%

Women Leading International (%)

58.6
Open Access
3%

Open Access (%)

Main Research Fields (top 9 by publications)

Indicators:

Net Change
3%

Net Change
3%

Net Change
3%

Net Change
3%

Net Change
3%

Net Change
3%

Net Change
3%

Net Change
3%

Net Change
3%

Human Resources

Historical perspective

From to Sept. 2024

Current resources

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Performance
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Gender
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Personnel

0.0

Papers / Personnel

0

Leading women (%)

0
0

Gender (%)

0

Papers / Permanent researchers

0

Papers / Leading researchers

Career stage

Performance

Years of Activity

ONE Index (distribution)

ONE Index by Main Research Fields

ONE Index vs. Years of Activity

Main authors

ID Name Gender Discipline Career Stage ONE Index Years Activity NDocs RCI HCP Leader Collab.
1 Brent, Gregory male Endocrinology, Diabetes and Metabolism Leading researcher 875 45 202 3.86 62 58.4% 16.8%
2 Martin, Jennifer female Experimental and Cognitive Psychology Leading researcher 850 45 294 3.24 70 46.3% 12.6%
3 Alessi, Cathy female Leading researcher 829 61 226 4.15 49 42.0% 11.5%
4 Jouldjian, Stella female Senior researcher 818 16 46 1.31 7 0.0% 37.0%
5 Kristina Yuan Cordasco General Health Professions Leading researcher 808 46 166 3.79 39 45.2% 12.1%
6 Leung, Angela M. female Endocrinology, Diabetes and Metabolism Senior researcher 807 27 270 1.35 44 76.3% 17.4%
7 Hamilton, Alison female General Health Professions Leading researcher 801 93 990 1.86 186 54.9% 7.8%
8 Yano, Elizabeth female General Health Professions Leading researcher 795 37 379 2.42 109 36.2% 4.0%
9 Cordasco, Kristina female General Health Professions Senior researcher 795 18 71 2.40 21 59.2% 0.0%
10 Jensen, Dennis male Surgery, Gastroenterology Leading researcher 794 66 336 1.47 49 59.5% 6.6%
11 Goetz, Matthew male Epidemiology, Infectious Diseases Leading researcher 787 43 419 1.99 85 31.3% 11.9%
12 Wong, Michelle female General Health Professions Senior researcher 782 16 50 3.79 16 52.0% 14.0%
13 Washington, Donna female General Health Professions Leading researcher 780 131 258 1.98 63 39.5% 8.5%
14 Ijadi-Maghsoodi, Roya female General Health Professions, Clinical Psychology Researcher 776 11 69 1.25 13 42.0% 0.0%
15 David L. Sultzer Psychiatry and Mental health Leading researcher 761 46 161 3.17 44 52.8% 6.8%
16 Fung, Constance female Leading researcher 758 38 139 1.87 19 45.3% 13.7%
17 Blessen C. Eapen Epidemiology, Emergency Medicine Researcher 752 13 142 1.27 19 38.0% 9.9%
18 Gareth S. Dulai Gastroenterology, Surgery Leading researcher 747 30 131 1.23 25 37.4% 9.2%
19 Rose, Danielle female General Health Professions Leading researcher 743 15 82 1.83 20 11.0% 8.5%
20 Lee, Martin male General Health Professions Leading researcher 741 63 165 3.21 52 23.6% 8.5%
21 Ruth S. Klap General Health Professions Leading researcher 741 33 70 3.21 18 21.4% 0.0%
22 David Alexander Leaf Emergency Medicine Leading researcher 740 45 99 3.53 30 48.5% 11.1%
23 Gabrielian, Sonya female General Health Professions Senior researcher 734 22 87 1.54 19 44.8% 1.2%
24 Chang, Evelyn female Ecology Leading researcher 730 49 221 1.33 28 63.4% 6.8%
25 Josephson, Karen female Leading researcher 726 41 122 2.61 31 16.4% 15.6%
875
One Index
 Brent, Gregory PhD   0000-0002-4638-6645 202 docs (1980 - 2024)  
Thyroid Hormone , Hypothyroidism , Hyperthyroidism , Thyroid hormone receptor , Thyroid Dysfunction
850
One Index
 Martin, Jennifer PhD   0000-0003-0849-3391 294 docs (1980 - 2024)  
Sleep Quality , Sleep (system call) , Sleep Duration , Insomnia , Sleep
829
One Index
 Alessi, Cathy PhD   0000-0002-0396-9066 226 docs (1964 - 2024)  
Sleep Quality , Sleep Duration , Insomnia , Sleep (system call) , Sleep
818
One Index
 Jouldjian, Stella PhD 46 docs (2009 - 2020)  
Sleep Duration , Sleep Quality , Insomnia , Obstructive Sleep Apnea , Sleep onset latency
808
One Index
 Kristina Yuan Cordasco PhD   0009-0004-8512-1641 166 docs (1979 - 2024)  
Fall Risk , Falls Prevention , Fall prevention , Veterans Affairs , Health Care Utilization
807
One Index
 Leung, Angela M. PhD   0000-0001-8935-9332 270 docs (1998 - 2024)  
Hyperthyroidism , Hypothyroidism , Thyroid Hormone , Iodine Deficiency , Thyroid Nodules
801
One Index
 Hamilton, Alison PhD   0000-0003-3998-7212 990 docs (1932 - 2025)  
Global Navigation Satellite Systems , HIV , GPS Integration , Veterans Affairs , HIV Epidemiology
795
One Index
 Yano, Elizabeth PhD   0000-0002-9385-0025 379 docs (1988 - 2024)  
Veterans Affairs , Continuity of Care , Health Care Utilization , Patient-Centered Medical Home , Patient Experience
795
One Index
 Cordasco, Kristina PhD   0000-0002-5866-1763 71 docs (2007 - 2024)  
Veterans Affairs , Continuity of Care , Specialty , Patient Sharing , Health Care Utilization
794
One Index
 Jensen, Dennis PhD   0000-0002-3781-1195 336 docs (1959 - 2024)  
Upper Gastrointestinal Bleeding , Obscure Gastrointestinal Bleeding , Hematochezia , Peptic Ulcer , Therapeutic Endoscopy
787
One Index
 Goetz, Matthew PhD   0000-0003-4542-992X 419 docs (1982 - 2024)  
Veterans Affairs , HIV , Antimicrobial Stewardship , HIV Infection , HIV Epidemiology
782
One Index
 Wong, Michelle PhD   0000-0001-7917-9696 50 docs (2009 - 2024)  
Odds , Pandemic , 2019-20 coronavirus outbreak , Veterans Affairs , Health Care Utilization
780
One Index
 Washington, Donna PhD   0000-0001-7917-4609 258 docs (1894 - 2024)  
Veterans Affairs , Health Care Utilization , Continuity of Care , Depression (economics) , Odds
776
One Index
 Ijadi-Maghsoodi, Roya PhD   0000-0002-3792-9820 69 docs (2014 - 2024)  
Pandemic , 2019-20 coronavirus outbreak , Social Support , Depression (economics) , Mental Health
761
One Index
 David L. Sultzer PhD 161 docs (1979 - 2024)  
Alzheimer's Disease , Apathy , Neuroimaging , Dementia , Discontinuation
758
One Index
 Fung, Constance PhD   0000-0002-0140-7932 139 docs (1987 - 2024)  
Sleep (system call) , Sleep Quality , Sleep Duration , Insomnia , Obstructive Sleep Apnea
752
One Index
 Blessen C. Eapen PhD 142 docs (2012 - 2025)  
Traumatic Brain Injury , Veterans Affairs , Polytrauma , Service member , Depression (economics)
747
One Index
 Gareth S. Dulai PhD 131 docs (1995 - 2024)  
Upper Gastrointestinal Bleeding , Hematochezia , Obscure Gastrointestinal Bleeding , Therapeutic Endoscopy , Barrett's Esophagus
743
One Index
 Rose, Danielle PhD   0000-0001-6797-2611 82 docs (2010 - 2024)  
Veterans Affairs , Patient Experience , Patient-Centered Medical Home , Health Care Utilization , Medical home
741
One Index
 Lee, Martin PhD   0000-0002-8421-7295 165 docs (1962 - 2024)  
Veterans Affairs , Human Milk Composition , Continuity of Care , Diabetes , Lactation
741
One Index
 Ruth S. Klap PhD 70 docs (1992 - 2024)  
Veterans Affairs , Depression , Depression (economics) , Help-Seeking Behaviors , Harassment
740
One Index
 David Alexander Leaf PhD 99 docs (1980 - 2017)  
HIV Infection , HIV , Exercise , HIV Epidemiology , Physical exercise
734
One Index
 Gabrielian, Sonya PhD   0000-0002-1790-4271 87 docs (2003 - 2024)  
Veterans Affairs , Supportive housing , Housing First , Social Support , Health Care Utilization
730
One Index
 Chang, Evelyn PhD   0000-0002-6755-1566 221 docs (1976 - 2024)  
Hemolymph , American lobster , Ecdysteroid , Eyestalk , Muda
726
One Index
 Josephson, Karen PhD   0000-0003-4237-5858 122 docs (1984 - 2024)  
Sleep Quality , Sleep Duration , Insomnia , Sleep (system call) , Obstructive Sleep Apnea