Thema
Journal Article
370
ClinicalTrials.gov
110
Research Support, Non-U.S. Gov't
74
Clinical trials
55
clinical trials
55
Review
51
Research Support, N.I.H., Extramural
45
Letter
30
Medicine
29
R
29
Comment
24
Trial registration
24
Clinicaltrials.gov
23
Medicine (General)
22
clinical trial
22
Comparative Study
17
Q
17
Science
17
Systematic Review
17
Research Support, N.I.H., Intramural
16
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
Therapeutics. Pharmacology
9
research data resources
9
Neoplasms. Tumors. Oncology. Including cancer and carcinogens
8
Observational Study
8
Publications
8
Systematic review
8
Medicine & Public Health
7
Safety
7
artificial intelligence
7
drug development
7
医药卫生科技
7
570
6
610
6
Adverse events
6
Biology
6
Cancer
6
Interventional clinical trials
6
Randomised controlled trial
6
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