Double-Blind.
- Resource Type
- journal article
- Source
Annals of Internal Medicine . Nov2022, Vol. 175 Issue 11, p1617-1618. 2p.- Subject
- *
SARS-CoV-2
*HOSPITALS
*RESEARCH
*RESEARCH methodology
*EVALUATION research
*TREATMENT effectiveness
*COMPARATIVE studies
*RANDOMIZED controlled trials
*BLIND experiment - Language
- ISSN
- 0003-4819