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Alastair Van Heerden

Concepts (226)

Concepts are derived automatically from a person's publications.
Concepts are listed by decreasing relevance which is based on many factors, including how many publications the person wrote about that topic, how long ago those publications were written, and how many publications other people have written on that same topic.


Name Number of Publications Most Recent Publication Publications by All Authors Concept Score Why?
HIV Infections
47
2025
5097
4.380
Why?
Telemedicine
5
2024
25
2.160
Why?
Anti-HIV Agents
14
2025
1324
2.060
Why?
Humans
67
2025
14537
1.800
Why?
South Africa
53
2025
7596
1.710
Why?
Sexual Partners
8
2025
215
1.660
Why?
Cell Phone
7
2021
34
1.650
Why?
Female
43
2025
9103
1.310
Why?
Artificial Intelligence
3
2024
10
1.290
Why?
Rural Population
10
2024
654
1.250
Why?
Child Development
3
2019
93
1.220
Why?
Counseling
7
2025
143
1.170
Why?
Male
34
2025
6754
1.160
Why?
Adult
34
2025
5913
1.160
Why?
Depression
3
2024
121
1.110
Why?
Young Adult
23
2024
2498
1.110
Why?
Mothers
5
2024
195
1.050
Why?
Acquired Immunodeficiency Syndrome
3
2023
187
1.040
Why?
Mental Health Services
2
2023
10
1.040
Why?
Research Design
3
2019
124
1.020
Why?
Anti-Retroviral Agents
3
2023
551
0.910
Why?
Privacy
2
2023
4
0.890
Why?
Mass Screening
9
2024
245
0.880
Why?
Social Media
2
2020
7
0.870
Why?
Diabetes, Gestational
1
2024
38
0.860
Why?
Adolescent
18
2024
2985
0.830
Why?
Health Services Accessibility
3
2021
280
0.790
Why?
Tuberculosis
3
2024
543
0.770
Why?
Data Collection
3
2019
86
0.750
Why?
Surveys and Questionnaires
7
2024
563
0.750
Why?
Point-of-Care Systems
4
2022
91
0.720
Why?
Mental Health
2
2019
91
0.720
Why?
Pre-Exposure Prophylaxis
1
2024
196
0.710
Why?
Epidemiological Monitoring
1
2020
45
0.690
Why?
Patient Compliance
4
2023
120
0.690
Why?
Middle Aged
15
2025
3601
0.680
Why?
Technology
1
2019
4
0.670
Why?
Informed Consent
1
2019
8
0.670
Why?
Attitude
1
2019
12
0.660
Why?
Confidentiality
1
2019
13
0.660
Why?
Noncommunicable Diseases
2
2018
77
0.660
Why?
Alcohol Drinking
2
2017
55
0.650
Why?
Executive Function
1
2019
23
0.640
Why?
House Calls
1
2019
9
0.630
Why?
Interdisciplinary Research
1
2017
2
0.580
Why?
Depressive Disorder, Major
1
2017
20
0.570
Why?
Quality of Life
1
2019
177
0.570
Why?
Feasibility Studies
5
2022
101
0.560
Why?
Child, Preschool
6
2022
1748
0.550
Why?
Perception
1
2017
42
0.550
Why?
Developmental Disabilities
1
2017
22
0.540
Why?
Interviews as Topic
3
2024
203
0.530
Why?
Diagnostic Tests, Routine
1
2017
59
0.530
Why?
Focus Groups
5
2024
196
0.510
Why?
Qualitative Research
6
2024
321
0.480
Why?
Developing Countries
3
2023
400
0.440
Why?
Delivery of Health Care
5
2023
239
0.430
Why?
Information Services
1
2013
4
0.430
Why?
Maternal Welfare
1
2013
9
0.430
Why?
Motivation
3
2024
59
0.420
Why?
Cohort Studies
5
2024
967
0.420
Why?
Infant
9
2024
2244
0.420
Why?
Community Health Services
5
2024
58
0.420
Why?
Pilot Projects
5
2025
179
0.420
Why?
Behavior Therapy
2
2022
11
0.410
Why?
Mentors
4
2014
16
0.410
Why?
Viral Load
4
2024
819
0.410
Why?
Child Health
2
2023
77
0.400
Why?
Efficiency, Organizational
1
2012
5
0.400
Why?
Global Health
3
2021
193
0.390
Why?
Pregnancy Complications, Infectious
5
2014
529
0.360
Why?
Pregnancy
8
2024
1862
0.360
Why?
Blood Glucose
2
2024
107
0.360
Why?
Cross-Sectional Studies
6
2024
1422
0.360
Why?
Public Health
2
2022
124
0.350
Why?
HIV
2
2024
380
0.350
Why?
Community Health Workers
2
2023
66
0.320
Why?
Child
7
2023
2242
0.310
Why?
Maternal Health Services
3
2014
52
0.300
Why?
Goals
2
2024
7
0.280
Why?
CD4 Lymphocyte Count
4
2022
656
0.270
Why?
Adiposity
2
2018
96
0.270
Why?
Medication Adherence
2
2025
151
0.270
Why?
Exercise
2
2020
205
0.260
Why?
Aged
3
2024
1740
0.250
Why?
Ambulatory Care Facilities
2
2024
125
0.250
Why?
Social Support
2
2024
77
0.250
Why?
Patient Acceptance of Health Care
4
2024
256
0.240
Why?
Nepal
1
2024
6
0.230
Why?
Proof of Concept Study
1
2024
13
0.230
Why?
Dried Blood Spot Testing
1
2024
24
0.230
Why?
Reference Standards
1
2024
29
0.230
Why?
Blood Glucose Self-Monitoring
1
2024
4
0.230
Why?
Cholesterol
1
2024
38
0.220
Why?
Bayes Theorem
1
2024
81
0.220
Why?
Self Report
1
2024
114
0.220
Why?
Motivational Interviewing
1
2024
10
0.220
Why?
Prevalence
5
2024
1192
0.220
Why?
Radiographic Image Enhancement
1
2023
2
0.220
Why?
Social Stigma
1
2024
80
0.220
Why?
Intelligence
1
2023
6
0.220
Why?
Language
1
2023
14
0.210
Why?
Family Characteristics
2
2024
135
0.210
Why?
Epidemics
1
2023
65
0.210
Why?
Social Sciences
1
2022
1
0.210
Why?
Biomarkers
1
2024
327
0.200
Why?
Primary Health Care
1
2024
240
0.200
Why?
Socioeconomic Factors
3
2019
411
0.190
Why?
Urban Population
3
2018
257
0.180
Why?
Psychomotor Performance
2
2017
12
0.170
Why?
Infectious Disease Transmission, Vertical
2
2014
472
0.170
Why?
Movement
1
2020
5
0.170
Why?
Time-to-Treatment
1
2020
42
0.170
Why?
Videotape Recording
1
2019
2
0.170
Why?
Zambia
2
2017
115
0.170
Why?
Comprehension
1
2019
5
0.170
Why?
Wearable Electronic Devices
1
2019
4
0.170
Why?
Ethics, Research
1
2019
6
0.170
Why?
Mother-Child Relations
1
2019
20
0.160
Why?
Family
1
2019
35
0.160
Why?
Health Care Surveys
1
2019
30
0.160
Why?
Uganda
4
2021
197
0.150
Why?
Home Care Services
1
2018
15
0.150
Why?
Costs and Cost Analysis
1
2018
42
0.150
Why?
Menarche
1
2018
13
0.150
Why?
AIDS Serodiagnosis
1
2018
44
0.150
Why?
Infant, Newborn
5
2020
1479
0.150
Why?
Leg
1
2018
21
0.150
Why?
Peer Group
3
2014
14
0.150
Why?
Medication Therapy Management
1
2017
5
0.150
Why?
Anthropometry
1
2018
102
0.140
Why?
Hyperglycemia
1
2017
15
0.140
Why?
Models, Theoretical
1
2017
80
0.140
Why?
Government Employees
1
2017
3
0.140
Why?
Social Class
1
2017
73
0.140
Why?
Research
1
2017
65
0.140
Why?
HIV-1
1
2024
1260
0.130
Why?
Intimate Partner Violence
1
2016
55
0.130
Why?
Risk Factors
2
2017
1475
0.120
Why?
Circumcision, Male
1
2016
99
0.120
Why?
Child Abuse, Sexual
1
2014
4
0.120
Why?
Community Networks
1
2014
13
0.110
Why?
Social Networking
2
2024
8
0.110
Why?
Obesity
1
2017
367
0.110
Why?
Health Behavior
2
2014
79
0.110
Why?
User-Computer Interface
1
2013
6
0.110
Why?
Analysis of Variance
1
2013
64
0.110
Why?
Antiretroviral Therapy, Highly Active
1
2016
472
0.110
Why?
Lesotho
2
2023
6
0.100
Why?
Hypertension
1
2017
419
0.100
Why?
Treatment Outcome
4
2020
889
0.100
Why?
Sexual Behavior
1
2014
320
0.100
Why?
Efficiency
1
2012
3
0.100
Why?
Electronic Health Records
1
2012
10
0.100
Why?
Benchmarking
1
2012
10
0.100
Why?
Quality of Health Care
1
2012
62
0.100
Why?
Randomized Controlled Trials as Topic
2
2022
244
0.090
Why?
Group Processes
1
2011
3
0.090
Why?
Pandemics
2
2023
296
0.080
Why?
Time Factors
3
2020
507
0.080
Why?
Postnatal Care
3
2014
13
0.080
Why?
Africa
2
2023
376
0.080
Why?
Waist Circumference
2
2018
60
0.070
Why?
Prenatal Care
3
2014
147
0.070
Why?
Health Knowledge, Attitudes, Practice
3
2014
262
0.070
Why?
National Institute of Mental Health (U.S.)
2
2014
3
0.060
Why?
Substance-Related Disorders
1
2024
51
0.060
Why?
Organizational Culture
1
2024
7
0.060
Why?
Bias
1
2024
15
0.060
Why?
United States
2
2014
132
0.060
Why?
Leadership
1
2024
23
0.060
Why?
Blood Alcohol Content
1
2024
1
0.060
Why?
Trust
1
2024
9
0.060
Why?
Predictive Value of Tests
1
2024
188
0.060
Why?
Interpersonal Relations
1
2024
43
0.050
Why?
Specimen Handling
1
2024
105
0.050
Why?
Reproducibility of Results
1
2024
217
0.050
Why?
Radiography
1
2023
80
0.050
Why?
Sensitivity and Specificity
1
2024
385
0.050
Why?
Single-Blind Method
1
2022
17
0.050
Why?
Men
1
2023
15
0.050
Why?
Immunoglobulin G
1
2024
231
0.050
Why?
Health Services
1
2023
51
0.050
Why?
Cluster Analysis
2
2014
65
0.050
Why?
Risk Reduction Behavior
2
2014
39
0.050
Why?
Antibodies, Viral
1
2024
284
0.050
Why?
Multicenter Studies as Topic
1
2022
22
0.050
Why?
Adaptation, Psychological
2
2012
26
0.050
Why?
Computers, Handheld
1
2021
2
0.050
Why?
Remote Consultation
1
2001
2
0.050
Why?
Diagnostic Techniques, Ophthalmological
1
2001
3
0.050
Why?
Tuberculosis, Pulmonary
1
2024
324
0.050
Why?
Men's Health
1
2020
3
0.040
Why?
Reward
1
2020
2
0.040
Why?
Continuity of Patient Care
1
2020
33
0.040
Why?
Stakeholder Participation
1
2020
9
0.040
Why?
HIV Seroprevalence
1
2018
15
0.040
Why?
Body Height
1
2018
52
0.040
Why?
Chronic Disease
1
2018
107
0.040
Why?
Isoniazid
1
2018
110
0.030
Why?
Problem Solving
1
2016
3
0.030
Why?
Age Factors
1
2018
370
0.030
Why?
Prospective Studies
1
2020
1160
0.030
Why?
Overweight
1
2017
87
0.030
Why?
Psychometrics
1
2016
22
0.030
Why?
Sex Characteristics
1
2016
43
0.030
Why?
Educational Status
1
2016
68
0.030
Why?
Communication
1
2016
57
0.030
Why?
Referral and Consultation
1
2016
57
0.030
Why?
Caregivers
1
2016
76
0.030
Why?
Body Mass Index
1
2017
321
0.030
Why?
Aging
1
2016
109
0.030
Why?
Random Allocation
1
2014
23
0.030
Why?
Directive Counseling
1
2014
15
0.030
Why?
Tanzania
1
2014
88
0.030
Why?
Zimbabwe
1
2014
120
0.030
Why?
Program Evaluation
1
2014
89
0.030
Why?
Interview, Psychological
1
2012
6
0.030
Why?
Alcoholic Intoxication
1
2011
3
0.020
Why?
Marital Status
1
2011
11
0.020
Why?
Risk-Taking
1
2011
121
0.020
Why?
Telecommunications
1
2001
1
0.010
Why?
Ophthalmology
1
2001
3
0.010
Why?
Hospitals, Special
1
2001
4
0.010
Why?
Interinstitutional Relations
1
2001
7
0.010
Why?
Hospitals, District
1
2001
5
0.010
Why?
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Concepts (226)
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Co-Authors (13)
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