Thema
Journal Article
367
ClinicalTrials.gov
108
Research Support, Non-U.S. Gov't
73
Clinical trials
51
Review
50
clinical trials
49
Research Support, N.I.H., Extramural
45
Letter
29
Medicine
29
R
29
Trial registration
24
Clinicaltrials.gov
23
Comment
23
clinical trial
21
Comparative Study
17
Q
17
Science
17
Systematic Review
17
Medicine (General)
16
Research Support, N.I.H., Intramural
15
clinicaltrials.gov
15
COVID-19
14
Research Support, U.S. Gov't, P.H.S.
14
Clinical trial
13
Reporting
13
Transparency
13
clinical trial design
13
Research Support, U.S. Gov't, Non-P.H.S.
11
Drugs
10
Publication bias
10
Registration
10
Randomized Controlled Trial
9
research data resources
9
Publications
8
Systematic review
8
Medicine & Public Health
7
Observational Study
7
Safety
7
drug development
7
trial registration
7
医药卫生科技
7
610
6
Adverse events
6
Cancer
6
Interventional clinical trials
6
Randomised controlled trial
6
artificial intelligence
6
医药、卫生
6
570
5
Antiviral Agents
5
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