![Designing a research project: randomised controlled trials and their principles | Emergency Medicine Journal Designing a research project: randomised controlled trials and their principles | Emergency Medicine Journal](https://emj.bmj.com/content/emermed/20/2/164/F1.large.jpg)
Designing a research project: randomised controlled trials and their principles | Emergency Medicine Journal
![A pragmatic randomized controlled trial reports lack of efficacy of hydroxychloroquine on coronavirus disease 2019 viral kinetics | Nature Communications A pragmatic randomized controlled trial reports lack of efficacy of hydroxychloroquine on coronavirus disease 2019 viral kinetics | Nature Communications](https://media.springernature.com/m685/springer-static/image/art%3A10.1038%2Fs41467-020-19056-6/MediaObjects/41467_2020_19056_Fig1_HTML.png)
A pragmatic randomized controlled trial reports lack of efficacy of hydroxychloroquine on coronavirus disease 2019 viral kinetics | Nature Communications
![Randomized double-blinded placebo-controlled trial of hydroxychloroquine with or without azithromycin for virologic cure of non-severe Covid-19 - eClinicalMedicine Randomized double-blinded placebo-controlled trial of hydroxychloroquine with or without azithromycin for virologic cure of non-severe Covid-19 - eClinicalMedicine](https://www.thelancet.com/cms/asset/e0ec04f3-1e80-46f0-b118-c093191e74e7/gr1.jpg)
Randomized double-blinded placebo-controlled trial of hydroxychloroquine with or without azithromycin for virologic cure of non-severe Covid-19 - eClinicalMedicine
![Critical Appraisal Tools for Randomized Controlled Trials Studies - Evidence-Based Practice - LibGuides at Gonzaga University Critical Appraisal Tools for Randomized Controlled Trials Studies - Evidence-Based Practice - LibGuides at Gonzaga University](https://s3.amazonaws.com/libapps/accounts/26825/images/RCT.jpg)