4 ms·
And now I am reminded of https://dx.doi.org/10.1136%2Fbmj.327.7429.1459 https://dx.doi.org/10.1136%2Fbmj.327.7429.1459 and the fact that there is no randomised
by petschge 5y ago
And now I am reminded of https://dx.doi.org/10.1136%2Fbmj.327.7429.1459 https://dx.doi.org/10.1136%2Fbmj.327.7429.1459 and the fact that there is no randomised controlled trials that show the effectiveness of parachutes either.
- thedailymail 5y agoAu contraire! https://www.bmj.com/content/363/bmj.k5094 https://www.bmj.com/content/363/bmj.k5094
- petschge 5y agoNote that this is the study that prompted the study I linked to. But yes, worth a read too.
- astrange 5y agoAs of 2020 there wasn't an RCT for surgical masks being helpful in surgery.