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Alastair Van Heerden

Concepts (218)

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
44
2024
4946
4.340
Why?
Telemedicine
5
2024
25
2.230
Why?
Anti-HIV Agents
13
2024
1275
2.110
Why?
Humans
64
2024
14077
1.810
Why?
South Africa
50
2024
7312
1.710
Why?
Cell Phone
7
2021
34
1.700
Why?
Sexual Partners
7
2024
211
1.490
Why?
Artificial Intelligence
3
2024
9
1.340
Why?
Female
40
2024
8751
1.300
Why?
Rural Population
10
2024
624
1.300
Why?
Child Development
3
2019
89
1.260
Why?
Counseling
6
2024
136
1.150
Why?
Depression
3
2024
117
1.150
Why?
Male
31
2024
6489
1.130
Why?
Adult
31
2024
5664
1.130
Why?
Young Adult
21
2024
2357
1.090
Why?
Mothers
5
2024
190
1.080
Why?
Mental Health Services
2
2023
9
1.070
Why?
Acquired Immunodeficiency Syndrome
3
2023
186
1.060
Why?
Research Design
3
2019
123
1.050
Why?
Anti-Retroviral Agents
3
2023
542
0.940
Why?
Privacy
2
2023
4
0.920
Why?
Mass Screening
9
2024
242
0.900
Why?
Social Media
2
2020
6
0.900
Why?
Diabetes, Gestational
1
2024
35
0.880
Why?
Adolescent
17
2024
2858
0.830
Why?
Health Services Accessibility
3
2021
265
0.820
Why?
Tuberculosis
3
2024
530
0.790
Why?
Surveys and Questionnaires
7
2024
532
0.780
Why?
Data Collection
3
2019
86
0.770
Why?
Pre-Exposure Prophylaxis
1
2024
171
0.750
Why?
Point-of-Care Systems
4
2022
88
0.750
Why?
Mental Health
2
2019
86
0.740
Why?
Epidemiological Monitoring
1
2020
45
0.710
Why?
Patient Compliance
4
2023
120
0.710
Why?
Technology
1
2019
4
0.690
Why?
Informed Consent
1
2019
8
0.690
Why?
Attitude
1
2019
12
0.680
Why?
Confidentiality
1
2019
13
0.680
Why?
Noncommunicable Diseases
2
2018
75
0.670
Why?
Alcohol Drinking
2
2017
53
0.670
Why?
Executive Function
1
2019
23
0.660
Why?
House Calls
1
2019
8
0.650
Why?
Middle Aged
12
2024
3425
0.610
Why?
Interdisciplinary Research
1
2017
2
0.600
Why?
Feasibility Studies
5
2022
95
0.590
Why?
Quality of Life
1
2019
170
0.590
Why?
Depressive Disorder, Major
1
2017
20
0.590
Why?
Child, Preschool
6
2022
1675
0.580
Why?
Perception
1
2017
42
0.570
Why?
Developmental Disabilities
1
2017
22
0.560
Why?
Interviews as Topic
3
2024
190
0.550
Why?
Focus Groups
5
2024
180
0.550
Why?
Diagnostic Tests, Routine
1
2017
59
0.540
Why?
Qualitative Research
6
2024
294
0.510
Why?
Developing Countries
3
2023
385
0.450
Why?
Delivery of Health Care
5
2023
230
0.440
Why?
Information Services
1
2013
4
0.440
Why?
Motivation
3
2024
56
0.440
Why?
Maternal Welfare
1
2013
9
0.440
Why?
Infant
9
2024
2145
0.440
Why?
Cohort Studies
5
2024
939
0.440
Why?
Community Health Services
5
2024
58
0.430
Why?
Behavior Therapy
2
2022
11
0.430
Why?
Mentors
4
2014
16
0.420
Why?
Child Health
2
2023
76
0.410
Why?
Efficiency, Organizational
1
2012
5
0.410
Why?
Global Health
3
2021
183
0.400
Why?
Pregnancy Complications, Infectious
5
2014
507
0.370
Why?
Pilot Projects
4
2024
168
0.370
Why?
Pregnancy
8
2024
1815
0.370
Why?
Cross-Sectional Studies
6
2024
1377
0.370
Why?
Blood Glucose
2
2024
106
0.370
Why?
Public Health
2
2022
122
0.360
Why?
HIV
2
2024
380
0.360
Why?
Community Health Workers
2
2023
62
0.340
Why?
Child
7
2023
2180
0.320
Why?
Maternal Health Services
3
2014
51
0.310
Why?
Goals
2
2024
7
0.290
Why?
CD4 Lymphocyte Count
4
2022
654
0.280
Why?
Adiposity
2
2018
95
0.280
Why?
Exercise
2
2020
203
0.270
Why?
Aged
3
2024
1650
0.260
Why?
Ambulatory Care Facilities
2
2024
125
0.260
Why?
Social Support
2
2024
76
0.250
Why?
Nepal
1
2024
6
0.240
Why?
Viral Load
3
2023
808
0.240
Why?
Proof of Concept Study
1
2024
13
0.240
Why?
Reference Standards
1
2024
29
0.240
Why?
Blood Glucose Self-Monitoring
1
2024
3
0.240
Why?
Self Report
1
2024
111
0.230
Why?
Cholesterol
1
2024
38
0.230
Why?
Bayes Theorem
1
2024
77
0.230
Why?
Motivational Interviewing
1
2024
10
0.230
Why?
Prevalence
5
2024
1149
0.230
Why?
Radiographic Image Enhancement
1
2023
2
0.230
Why?
Social Stigma
1
2024
76
0.220
Why?
Intelligence
1
2023
6
0.220
Why?
Language
1
2023
13
0.220
Why?
Family Characteristics
2
2024
133
0.220
Why?
Social Sciences
1
2022
1
0.210
Why?
Epidemics
1
2023
64
0.210
Why?
Biomarkers
1
2024
322
0.210
Why?
Primary Health Care
1
2024
228
0.200
Why?
Patient Acceptance of Health Care
3
2024
235
0.200
Why?
Socioeconomic Factors
3
2019
405
0.200
Why?
Urban Population
3
2018
246
0.180
Why?
Psychomotor Performance
2
2017
12
0.180
Why?
Infectious Disease Transmission, Vertical
2
2014
467
0.180
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
112
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
0.170
Why?
Family
1
2019
33
0.170
Why?
Health Care Surveys
1
2019
30
0.160
Why?
Uganda
4
2021
194
0.160
Why?
Home Care Services
1
2018
15
0.160
Why?
Costs and Cost Analysis
1
2018
41
0.160
Why?
Infant, Newborn
5
2020
1410
0.150
Why?
Menarche
1
2018
13
0.150
Why?
AIDS Serodiagnosis
1
2018
44
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
101
0.150
Why?
Hyperglycemia
1
2017
15
0.150
Why?
Models, Theoretical
1
2017
78
0.150
Why?
Government Employees
1
2017
3
0.140
Why?
Social Class
1
2017
72
0.140
Why?
Research
1
2017
65
0.140
Why?
Intimate Partner Violence
1
2016
52
0.130
Why?
Risk Factors
2
2017
1431
0.130
Why?
Circumcision, Male
1
2016
97
0.120
Why?
Child Abuse, Sexual
1
2014
4
0.120
Why?
Community Networks
1
2014
13
0.120
Why?
Social Networking
2
2024
8
0.120
Why?
Obesity
1
2017
356
0.120
Why?
Health Behavior
2
2014
78
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
468
0.110
Why?
Lesotho
2
2023
6
0.110
Why?
Hypertension
1
2017
397
0.110
Why?
Treatment Outcome
4
2020
867
0.100
Why?
Efficiency
1
2012
3
0.100
Why?
Sexual Behavior
1
2014
313
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
58
0.100
Why?
Randomized Controlled Trials as Topic
2
2022
237
0.100
Why?
Group Processes
1
2011
3
0.090
Why?
Pandemics
2
2023
280
0.090
Why?
Time Factors
3
2020
503
0.080
Why?
Postnatal Care
3
2014
13
0.080
Why?
Africa
2
2023
360
0.080
Why?
Waist Circumference
2
2018
53
0.070
Why?
Prenatal Care
3
2014
141
0.070
Why?
Health Knowledge, Attitudes, Practice
3
2014
247
0.070
Why?
National Institute of Mental Health (U.S.)
2
2014
3
0.060
Why?
Bias
1
2024
12
0.060
Why?
Organizational Culture
1
2024
7
0.060
Why?
Leadership
1
2024
20
0.060
Why?
United States
2
2014
129
0.060
Why?
Blood Alcohol Content
1
2024
1
0.060
Why?
Trust
1
2024
9
0.060
Why?
Interpersonal Relations
1
2024
43
0.060
Why?
Reproducibility of Results
1
2024
210
0.060
Why?
Radiography
1
2023
80
0.050
Why?
Medication Adherence
1
2024
137
0.050
Why?
Single-Blind Method
1
2022
17
0.050
Why?
Men
1
2023
15
0.050
Why?
Health Services
1
2023
44
0.050
Why?
Cluster Analysis
2
2014
64
0.050
Why?
Risk Reduction Behavior
2
2014
39
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
320
0.050
Why?
Men's Health
1
2020
2
0.050
Why?
Reward
1
2020
2
0.050
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
51
0.040
Why?
Chronic Disease
1
2018
100
0.040
Why?
Isoniazid
1
2018
110
0.040
Why?
Age Factors
1
2018
364
0.030
Why?
Problem Solving
1
2016
3
0.030
Why?
Overweight
1
2017
84
0.030
Why?
Psychometrics
1
2016
20
0.030
Why?
Prospective Studies
1
2020
1131
0.030
Why?
Sex Characteristics
1
2016
43
0.030
Why?
Educational Status
1
2016
68
0.030
Why?
Communication
1
2016
56
0.030
Why?
Caregivers
1
2016
66
0.030
Why?
Referral and Consultation
1
2016
55
0.030
Why?
Body Mass Index
1
2017
312
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
84
0.030
Why?
Zimbabwe
1
2014
115
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
119
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 (218)
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Co-Authors (13)
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